//
//  iWeb - iWebSite.js
//  Copyright (c) 2007 Apple Inc. All rights reserved.
//
//
//  This file includes a copy of the Prototype JavaScript framework:
//
//  Prototype JavaScript framework, version 1.5.0
//  (c) 2005-2007 Sam Stephenson
//
//  Prototype is freely distributable under the terms of an MIT-style license.
//  For details, see the Prototype web site: http://prototype.conio.net/

var windowsInternetExplorer=false;var isGecko=false;var isMozilla=false;var isFirefox=false;var isCamino=false;var isSafari=false;var isNS=false;var isWebKit=false;var isOpera=false;var isiPhone=false;var isEarlyWebKitVersion=false;var browserDetected=false;var listOfIE7FloatsFix=[];function detectBrowser()
{if(browserDetected===false)
{windowsInternetExplorer=false;var appVersion=navigator.appVersion;if((appVersion.indexOf("MSIE")!=-1)&&(appVersion.indexOf("Macintosh")==-1))
{var temp=appVersion.split("MSIE");browserVersion=parseFloat(temp[1]);windowsInternetExplorer=true;if(typeof(Node)=="undefined")
{Node={};Node.ELEMENT_NODE=1;Node.ATTRIBUTE_NODE=2;Node.TEXT_NODE=3;Node.CDATA_SECTION_NODE=4;Node.ENTITY_REFERENCE_NODE=5;Node.ENTITY_NODE=6;Node.PROCESSING_INSTRUCTION_NODE=7;Node.COMMENT_NODE=8;}}
else
{var ua=navigator.userAgent.toLowerCase();isGecko=(ua.indexOf('gecko')!=-1);isMozilla=(this.isGecko&&ua.indexOf("gecko/")+14==ua.length);isFirefox=(this.isGecko&&ua.indexOf("firefox")!=-1);isCamino=(this.isGecko&&ua.indexOf("camino")!=-1);isSafari=(this.isGecko&&ua.indexOf("safari")!=-1);isNS=((this.isGecko)?(ua.indexOf('netscape')!=-1):((ua.indexOf('mozilla')!=-1)&&(ua.indexOf('spoofer')==-1)&&(ua.indexOf('compatible')==-1)&&(ua.indexOf('opera')==-1)&&(ua.indexOf('webtv')==-1)&&(ua.indexOf('hotjava')==-1)));isOpera=!!window.opera;var matchResult=ua.match(/applewebkit\/(\d+)/);if(matchResult)
{isiPhone=(ua.indexOf("mobile/")!=-1);isWebKit=true;webKitVersion=parseInt(matchResult[1]);isEarlyWebKitVersion=(webKitVersion<522);}}
browserDetected=true;}}
function shouldApplyCSSBackgroundPNGFix()
{detectBrowser();return(windowsInternetExplorer&&(browserVersion<7));}
function photocastHelper(url)
{var feed=new IWURL(url);var iPhotoVersionMin=600;var iPhotoMimeTypePlugin="application/photo";if(navigator.mimeTypes&&navigator.mimeTypes.length>0)
{var iPhoto=navigator.mimeTypes[iPhotoMimeTypePlugin];if(iPhoto)
{var description=iPhoto.description;try
{var components=description.split(" ");if(components&&components.length>1)
{var pluginVersion=components[1];if(pluginVersion>=iPhotoVersionMin)
{feed.mProtocol="photo";}}}
catch(exception)
{}}}
window.location=feed.toURLString();}
function loadCSS(file)
{var cssNode=document.createElement('link');cssNode.setAttribute('rel','stylesheet');cssNode.setAttribute('type','text/css');cssNode.setAttribute('href',file);document.getElementsByTagName('head')[0].appendChild(cssNode);}
function loadMozillaCSS(file)
{detectBrowser();if((isMozilla)||(isFirefox)||(isCamino))
{loadCSS(file);}}
function utf8sequence(c)
{if(c<=0x0000007f)return[c];if(c<=0x000007ff)return[(0xc0|(c>>>6)),(0x80|(c&0x3f))];if(c<=0x0000ffff)return[(0xe0|(c>>>12)),(0x80|((c>>>6)&0x3f)),(0x80|(c&0x3f))];if(c<=0x001fffff)return[(0xf0|(c>>>18)),(0x80|((c>>>12)&0x3f)),(0x80|((c>>>6)&0x3f)),(0x80|(c&0x3f))];if(c<=0x03ffffff)return[(0xf8|(c>>>24)),(0x80|((c>>>18)&0x3f)),(0x80|((c>>>12)&0x3f)),(0x80|((c>>>6)&0x3f)),(0x80|(c&0x3f))];if(c<=0x7fffffff)return[(0xfc|(c>>>30)),(0x80|((c>>>24)&0x3f)),(0x80|((c>>>18)&0x3f)),(0x80|((c>>>12)&0x3f)),(0x80|((c>>>6)&0x3f)),(0x80|(c&0x3f))];return[];}
function utf8encode(s)
{var result=[];var firstSurrogate=0;for(var i=0;i<s.length;++i)
{var code=s.charCodeAt(i);if(firstSurrogate!=0)
{if((code>=0xDC00)&&(code<=0xDFFF))
{code=(firstSurrogate-0xD800)*0x400+(code-0xDC00)+0x10000;firstSurrogate=0;}}
else
{if((code<0xD800)||(code>0xDFFF))
{}
else if((code>=0xD800)&&(code<0xDC00))
{firstSurrogate=code;continue;}
else
{continue;}}
result=result.concat(utf8sequence(code));}
var resultString="";for(i=0;i<result.length;++i)
{resultString+=String.fromCharCode(result[i]);}
return resultString;}
function IELatin1Munge(UTF8String)
{var munged="";for(var i=0;i<UTF8String.length;i++)
{var c=UTF8String.charCodeAt(i);switch(c){case 0x0080:c=0x20AC;break;case 0x0081:break;case 0x0082:c=0x201A;break;case 0x0083:c=0x0192;break;case 0x0084:c=0x201E;break;case 0x0085:c=0x2026;break;case 0x0086:c=0x2020;break;case 0x0087:c=0x2021;break;case 0x0088:c=0x02C6;break;case 0x0089:c=0x2030;break;case 0x008A:c=0x0160;break;case 0x008B:c=0x2039;break;case 0x008C:c=0x0152;break;case 0x008D:break;case 0x008E:c=0x017D;break;case 0x008F:break;case 0x0090:break;case 0x0091:c=0x2018;break;case 0x0092:c=0x2019;break;case 0x0093:c=0x201C;break;case 0x0094:c=0x201D;break;case 0x0095:c=0x2022;break;case 0x0096:c=0x2013;break;case 0x0097:c=0x2014;break;case 0x0098:c=0x02DC;break;case 0x0099:c=0x2122;break;case 0x009A:c=0x0161;break;case 0x009B:c=0x203A;break;case 0x009C:c=0x0153;break;case 0x009D:break;case 0x009E:c=0x017E;break;case 0x009F:c=0x0178;break;}
munged+=String.fromCharCode(c);}
return munged;}
function IEConvertURLForPNGFix(urlString)
{var result=urlString;detectBrowser();if(windowsInternetExplorer)
{var decoded=decodeURI(urlString);if(decoded.match(/[^\x00-\x7f]/))
{result=IELatin1Munge(utf8encode(decodeURI(urlString)));}}
return result;}
function fixAllIEPNGs(transparentGif)
{detectBrowser();if(windowsInternetExplorer)
{for(var i=0;i<document.images.length;++i)
{if(document.images[i].src.slice(-4).toLowerCase()==".png")
{var img=$(document.images[i]);var fixPng=function(img)
{if(!img.originalSrc)
{if((img.style.width=="")&&(img.style.height==""))
{var width=img.width;var height=img.height;img.style.width=width+"px";img.style.height=height+"px";}
var filterName='progid:DXImageTransform.Microsoft.AlphaImageLoader';var filterParams='src="'+IEConvertURLForPNGFix(img.src)+'", sizingMethod="scale"';img.setFilter(filterName,filterParams);img.originalSrc=img.src;img.src=transparentGif;}};if(img.complete)
{fixPng(img);}
else
{img.onload=fixPng.bind(null,img);}}}}}
function toPixels(value)
{var converted=0;var px_per_pt=window.screen.logicalXDPI?(window.screen.logicalXDPI/72.0):1.3333;if(value.indexOf("px")>0)
{converted=parseFloat(value);}
else if(value.indexOf("pt")>0)
{converted=px_per_pt*parseFloat(value);}
else if(value.indexOf("in")>0)
{converted=72*px_per_pt*parseFloat(value);}
else if(value.indexOf("pc")>0)
{converted=12*px_per_pt*parseFloat(value);}
else if(value.indexOf("mm")>0)
{converted=2.83465*px_per_pt*parseFloat(value);}
else if(value.indexOf("cm")>0)
{converted=28.3465*px_per_pt*parseFloat(value);}
return converted;}
function toPixelsAtElement(element,value,vertical)
{var converted=0;if(value.indexOf("%")>0)
{var containerSize=0;if(vertical)
{containerSize=$(element.parentNode).getHeight();}
else
{containerSize=$(element.parentNode).getWidth();}
converted=containerSize*parseFloat(value)/100.0;}
else if(value.indexOf("em")>0)
{converted=parseFloat(value)*toPixels(Element.getStyle(element,'fontSize'));}
else
{converted=toPixels(value);}
return converted;}
function backgroundPositionDimension(oBlock,currentBGPosition,blockDimension,imageDimension)
{var position=0;if(currentBGPosition==='center')
{position=(blockDimension/2)-(imageDimension/2);}
else if((currentBGPosition==='right')||(currentBGPosition==='bottom'))
{position=blockDimension-imageDimension;}
else if((currentBGPosition==='left')||(currentBGPosition==='top'))
{position=0;}
else if(currentBGPosition.indexOf("px")>0)
{position=parseFloat(currentBGPosition);}
else if(currentBGPosition.indexOf("em")>0)
{position=parseFloat(currentBGPosition)*toPixels(oBlock.currentStyle.fontSize);}
else if(currentBGPosition.indexOf("%")>0)
{position=parseFloat(currentBGPosition)*blockDimension/100.0;}
else if((currentBGPosition.indexOf("pt")>0)||(currentBGPosition.indexOf("in")>0)||(currentBGPosition.indexOf("pc")>0)||(currentBGPosition.indexOf("cm")>0)||(currentBGPosition.indexOf("mm")>0))
{position=toPixels(currentBGPosition);}
return position;}
function elementHasCSSBGPNG(element)
{return(element.currentStyle&&element.currentStyle.backgroundImage&&(element.currentStyle.backgroundImage.indexOf('url(')!=-1)&&(element.currentStyle.backgroundImage.indexOf('.png")')!=-1));}
function fixupIEPNGBG(oBlock)
{if(oBlock)
{if(elementHasCSSBGPNG(oBlock))
{var currentBGImage=oBlock.currentStyle.backgroundImage;var currentBGRepeat=oBlock.currentStyle.backgroundRepeat;var currentBGPositionX=oBlock.currentStyle.backgroundPositionX;var currentBGPositionY=oBlock.currentStyle.backgroundPositionY;var urlStart=currentBGImage.indexOf('url(');var urlEnd=currentBGImage.indexOf(')',urlStart);var imageURL=currentBGImage.substring(urlStart+4,urlEnd);if(imageURL.charAt(0)=='"')
{imageURL=imageURL.substring(1);}
if(imageURL.charAt(imageURL.length-1)=='"')
{imageURL=imageURL.substring(0,imageURL.length-1);}
imageURL=IEConvertURLForPNGFix(imageURL);var overrideRepeat=false;var filterStyle="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+
imageURL+"', sizingMethod='crop');";if(RegExp("/C[0-9A-F]{8}.png$").exec(imageURL)!==null)
{filterStyle="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+
imageURL+"', sizingMethod='scale');";overrideRepeat=true;}
var fixupIEPNGBG_helper=function(img)
{var tileWidth=img.width;var tileHeight=img.height;var blockWidth=0;var blockHeight=0;if(oBlock.style.width)
{blockWidth=parseInt(oBlock.style.width,10);}
else
{blockWidth=oBlock.offsetWidth;}
if(oBlock.style.height)
{blockHeight=parseInt(oBlock.style.height,10);}
else
{blockHeight=oBlock.offsetHeight;}
var blockPaddingLeft=parseInt(oBlock.style.paddingLeft||0,10);if((blockWidth===0)||(blockHeight===0))
{return;}
var wholeRows=1;var wholeCols=1;var extraHeight=0;var extraWidth=0;if((currentBGRepeat.indexOf("no-repeat")!=-1)||((tileWidth===0)&&(tileHeight===0))||overrideRepeat)
{tileWidth=blockWidth;tileHeight=blockHeight;}
else if((currentBGRepeat.indexOf("repeat-x")!=-1)||(tileHeight===0))
{wholeCols=Math.floor(blockWidth/tileWidth);extraWidth=blockWidth-(tileWidth*wholeCols);tileHeight=blockHeight;}
else if(currentBGRepeat.indexOf("repeat-y")!=-1)
{wholeRows=Math.floor(blockHeight/tileHeight);extraHeight=blockHeight-(tileHeight*wholeRows);tileWidth=blockWidth;}
else
{wholeCols=Math.floor(blockWidth/tileWidth);wholeRows=Math.floor(blockHeight/tileHeight);extraWidth=blockWidth-(tileWidth*wholeCols);extraHeight=blockHeight-(tileHeight*wholeRows);}
var wrappedContent=document.createElement("div");var pngBGFixIsWrappedContentEmpty=true;wrappedContent.style.position="relative";wrappedContent.style.zIndex="1";wrappedContent.style.left="0px";wrappedContent.style.top="0px";wrappedContent.style.background="transparent";if(!isNaN(parseInt(oBlock.style.width,10)))
{wrappedContent.style.width=""+blockWidth+"px";}
if(!isNaN(parseInt(oBlock.style.height,10)))
{wrappedContent.style.height=""+blockHeight+"px";}
while(oBlock.hasChildNodes())
{if(oBlock.firstChild.nodeType==3)
{if(RegExp("^ *$").exec(oBlock.firstChild.data)===null)
{pngBGFixIsWrappedContentEmpty=false;}}
else
{pngBGFixIsWrappedContentEmpty=false;}
wrappedContent.appendChild(oBlock.firstChild);}
if(pngBGFixIsWrappedContentEmpty)
{wrappedContent.style.lineHeight="0px";}
var bgPositionX=backgroundPositionDimension(oBlock,currentBGPositionX,blockWidth,img.width);var bgPositionY=backgroundPositionDimension(oBlock,currentBGPositionY,blockHeight,img.height);bgPositionX-=blockPaddingLeft;var newMarkup="";for(var currentRow=0;currentRow<wholeRows;currentRow++)
{for(currentCol=0;currentCol<wholeCols;currentCol++)
{newMarkup+="<div class='pngtile' style="+"\"position: absolute; line-height: 0px; "+"width: "+tileWidth+"px; "+"height: "+tileHeight+"px; "+"left:"+(bgPositionX+(currentCol*tileWidth))+"px; "+"top:"+(bgPositionY+(currentRow*tileHeight))+"px; "+"filter:"+filterStyle+"\" > </div>";}
if(extraWidth!==0)
{newMarkup+="<div class='pngtile' style="+"\"position: absolute; line-height: 0px; "+"width: "+extraWidth+"px; "+"height: "+tileHeight+"px; "+"left:"+(bgPositionX+(currentCol*tileWidth))+"px; "+"top:"+(bgPositionY+(currentRow*tileHeight))+"px; "+"filter:"+filterStyle+"\" > </div>";}}
if(extraHeight!==0)
{for(currentCol=0;currentCol<wholeCols;currentCol++)
{newMarkup+="<div class='pngtile' style="+"\"position: absolute; line-height: 0px; "+"width: "+tileWidth+"px; "+"height: "+extraHeight+"px; "+"left:"+(bgPositionX+(currentCol*tileWidth))+"px; "+"top:"+(bgPositionY+(currentRow*tileHeight))+"px; "+"filter:"+filterStyle+"\" > </div>";}
if(extraWidth!==0)
{newMarkup+="<div class='pngtile' style="+"\"position: absolute; line-height: 0px; "+"width: "+extraWidth+"px; "+"height: "+extraHeight+"px; "+"left:"+(bgPositionX+(currentCol*tileWidth))+"px; "+"top:"+(bgPositionY+(currentRow*tileHeight))+"px; "+"filter:"+filterStyle+"\" > </div>";}}
oBlock.innerHTML=newMarkup;if(!pngBGFixIsWrappedContentEmpty)
{oBlock.appendChild(wrappedContent);}
oBlock.style.background="";}
var backgroundImage=new Image();backgroundImage.src=imageURL;if(backgroundImage.complete)
{fixupIEPNGBG_helper(backgroundImage);}
else
{backgroundImage.onload=fixupIEPNGBG_helper.bind(null,backgroundImage);}}}}
function fixupIEPNGBGsInTree(oAncestor,forceAutoFixup)
{if(shouldApplyCSSBackgroundPNGFix())
{try
{var allDivs=$A(oAncestor.getElementsByTagName('DIV'));if(isDiv(oAncestor))
{allDivs.push(oAncestor);}
allDivs.each(function(oNode)
{if(!$(oNode).hasClassName("noAutoPNGFix")||forceAutoFixup)
{fixupIEPNGBG(oNode);}});}
catch(e)
{}}}
function fixupAllIEPNGBGs()
{setTimeout(fixupIEPNGBGsInTree.bind(null,document),1);}
function optOutOfCSSBackgroundPNGFix(element)
{if(shouldApplyCSSBackgroundPNGFix())
{var allDivs=$A(element.getElementsByTagName("DIV"));allDivs.each(function(item)
{if(elementHasCSSBGPNG(item))
{$(item).addClassName("noAutoPNGFix");}});}}
function fixupIECSS3Opacity(strElementID)
{detectBrowser();if(windowsInternetExplorer)
{var oNode=$(strElementID);if(oNode&&(oNode.getStyle('opacity')<1))
{var opacity=oNode.getStyle('opacity');oNode.style.height=''+oNode.offsetHeight+'px';var targetNode=oNode;if(oNode.tagName.toLowerCase()=='img')
{targetNode=$(document.createElement('div'));targetNode.style.position=oNode.style.position;targetNode.style.top=oNode.style.top;targetNode.style.left=oNode.style.left;targetNode.style.width=oNode.style.width;targetNode.style.height=oNode.style.height;targetNode.style.opacity=oNode.style.opacity;targetNode.style.zIndex=oNode.style.zIndex;oNode.style.left='0px';oNode.style.top='0px';oNode.style.opacity='';if(oNode.parentNode.tagName.toLowerCase()=='a')
{var anchor=oNode.parentNode;anchor.parentNode.insertBefore(targetNode,anchor);targetNode.appendChild(anchor);}
else
{oNode.parentNode.insertBefore(targetNode,oNode);targetNode.appendChild(oNode);}}
else if(oNode.tagName.toLowerCase()=='div')
{var bufferWidth=100;var oNodeWidth=oNode.offsetWidth;var oNodeHeight=oNode.offsetHeight;extents=new IWExtents(-bufferWidth,-bufferWidth,oNodeWidth+bufferWidth,oNodeHeight*2+bufferWidth);var positionStyleVal=oNode.getStyle("position");var floatStyleVal=oNode.getStyle("float");var positioned=((positionStyleVal=="relative")||(positionStyleVal=="absolute"));var absolutelyPositioned=(positionStyleVal=="absolute"&&(floatStyleVal=="none"));targetNode=$(document.createElement('div'));var classString=oNode.className;classString=classString.replace(/(shadow_\d+)/g,'');classString=classString.replace(/(stroke_\d+)/g,'');classString=classString.replace(/(reflection_\d+)/g,'');targetNode.className=classString;targetNode.style.position=positioned?positionStyleVal:"relative";targetNode.style.styleFloat=floatStyleVal;targetNode.style.clear=oNode.getStyle("clear");targetNode.style.width=extents.right-extents.left+"px";targetNode.style.height=extents.bottom-extents.top+"px";targetNode.style.opacity=oNode.style.opacity;targetNode.style.zIndex=oNode.style.zIndex;if(absolutelyPositioned)
{targetNode.style.top=(parseFloat(oNode.getStyle("top"))||0)+extents.top+"px";targetNode.style.left=(parseFloat(oNode.getStyle("left"))||0)+extents.left+"px";}
else
{targetNode.style.marginTop=(parseFloat(oNode.getStyle("marginTop"))||0)+extents.top+"px";targetNode.style.marginLeft=(parseFloat(oNode.getStyle("marginLeft"))||0)+extents.left+"px";targetNode.style.marginBottom=(parseFloat(oNode.getStyle("marginBottom"))||0)-
(extents.bottom-oNodeHeight)+"px";targetNode.style.marginRight=(parseFloat(oNode.getStyle("marginRight"))||0)-
(extents.right-oNodeWidth)+"px";}
oNode.style.position="absolute";oNode.style.styleFloat="none";oNode.style.clear="none";oNode.style.left=-extents.left+"px";oNode.style.top=-extents.top+"px";oNode.style.margin='0px';oNode.style.verticalAlign='baseline';oNode.style.display='block';oNode.style.opacity='';if(browserVersion<7)
{oNode.className=oNode.className.replace(/(shadow_\d+)/g,'');}
oNode.parentNode.insertBefore(targetNode,oNode);targetNode.appendChild(oNode);}
$(targetNode).setFilter('progid:DXImageTransform.Microsoft.BasicImage','opacity='+opacity);}}}
function IWSetDivOpacity(div,fraction,suppressFilterRemoval)
{if(windowsInternetExplorer)
{if(fraction<.99||(suppressFilterRemoval==true))
{$(div).setFilter('alpha','opacity='+fraction*100);}
else
{$(div).killFilter('alpha');}}
else
{div.style.opacity=fraction;}}
function IMpreload(path,name,areaIndex)
{var rolloverName=name+'_rollover_'+areaIndex;var rolloverPath=path+'/'+rolloverName+'.png';self[rolloverName]=new Image();self[rolloverName].src=rolloverPath;var linkName=name+'_link_'+areaIndex;var linkPath=path+'/'+linkName+'.png';self[linkName]=new Image();self[linkName].src=linkPath;return true;}
function swapAlphaImageLoaderFilterSrc(img,src)
{var filterName='progid:DXImageTransform.Microsoft.AlphaImageLoader';var filterParams='src="'+IEConvertURLForPNGFix(src)+'", sizingMethod="scale"';img.setFilter(filterName,filterParams);img.originalSrc=img.src;}
function IMmouseover(name,areaIndex)
{var rolloverName=name+'_rollover_'+areaIndex;var linkName=name+'_link_'+areaIndex;var img=document.getElementById(linkName);if(img)
{detectBrowser();if(windowsInternetExplorer&&img.originalSrc)
{swapAlphaImageLoaderFilterSrc(img,self[rolloverName].src);}
else
{img.src=self[rolloverName].src;}}
return true;}
function IMmouseout(name,areaIndex)
{var linkName=name+'_link_'+areaIndex;var img=document.getElementById(linkName);if(img)
{detectBrowser();if(windowsInternetExplorer&&img.originalSrc)
{swapAlphaImageLoaderFilterSrc(img,self[linkName].src);}
else
{img.src=self[linkName].src;}}
return true;}
var quicktimeAvailable=false;var quicktimeVersion702=false;var isQuicktimeDetectionInitialized=false;var minVersionNum=0x7028000;var minVersionArray=['7','0','2'];function initializeQuicktimeDetection()
{if((navigator.plugins!==null)&&(navigator.plugins.length>0))
{for(i=0;i<navigator.plugins.length;i++)
{var plugin=navigator.plugins[i];if(plugin.name.toLowerCase().indexOf('quicktime plug-in ')!=-1)
{quicktimeAvailable=true;quicktimeVersionString=plugin.name.substring(18);var qtVersionArray=quicktimeVersionString.split('.');for(j=0;j<minVersionArray.length&&j<qtVersionArray.length;j++)
{var qtVersionComponent=qtVersionArray[j];var minVersionComponent=minVersionArray[j];if((qtVersionComponent>minVersionComponent)||((qtVersionComponent==minVersionComponent)&&(j==minVersionArray.length-1)))
{quicktimeVersion702=true;break;}
else if(qtVersionComponent<minVersionComponent)
{break;}}
break;}}}
else if(window.ActiveXObject)
{try
{quicktimeObj=new ActiveXObject('QuickTimeCheckObject.QuickTimeCheck.1');if(quicktimeObj!==null)
{quicktimeAvailable=true;quicktimeVersionNum=quicktimeObj.QuickTimeVersion;if(quicktimeVersionNum>=minVersionNum)
{quicktimeVersion702=true;}}}
catch(e)
{}}
isQuictimeDetectionInitialized=true;}
function fixupPodcast(mediaId,anchorId)
{if(!isQuicktimeDetectionInitialized)
{initializeQuicktimeDetection();}
if(!quicktimeVersion702)
{var oMediaElem=document.getElementById(mediaId);var oAnchorElem=document.getElementById(anchorId);if(oMediaElem&&oAnchorElem)
{oAnchorElem.style.display='inline';oMediaElem.parentNode.removeChild(oMediaElem);}}}
function allListBulletImagesContainedBy(node)
{var result=[];for(var i=0;i<node.childNodes.length;++i)
{var child=node.childNodes[i];if((child.nodeName=="IMG")&&((node.nodeName=="SPAN")||(node.nodeName=="A"))&&(node.parentNode!=null)&&(node.parentNode.nodeName=="P")&&(node.parentNode.parentNode!=null)&&(node.parentNode.parentNode.nodeName=="LI"))
{result=result.concat([child]);}
result=result.concat(allListBulletImagesContainedBy(child));}
return result;}
function hideAllListBulletImagesContainedBy(node)
{var images=allListBulletImagesContainedBy(node);for(var i=0;((images!=null)&&(i<images.length));++i)
{images[i].style.display="none";}}
function showAllListBulletImagesContainedBy(node)
{var images=allListBulletImagesContainedBy(node);for(var i=0;((images!=null)&&(i<images.length));++i)
{images[i].style.display="";}}
function getChildOfType(oParent,sNodeName,requestedIndex)
{var childrenOfType=oParent.getElementsByTagName(sNodeName);return(requestedIndex<childrenOfType.length)?childrenOfType.item(requestedIndex):null;}
function isDescendantInsideFixedHeightDescendantOfAncestor(oDescendant,oAncestor)
{if(oDescendant===oAncestor||oDescendant==null)
{return false;}
else if(parseFloat(oDescendant.style.height)>0)
{return true;}
else
{return isDescendantInsideFixedHeightDescendantOfAncestor(oDescendant.parentNode,oAncestor);}}
function getShrinkableParaDescendants(oAncestor)
{var oParaDescendants=[];var oPotentialParagraphs=oAncestor.getElementsByTagName('DIV');for(var iIndex=0;iIndex<oPotentialParagraphs.length;iIndex++)
{var oNode=oPotentialParagraphs.item(iIndex);if(oNode.className.lastIndexOf('paragraph')!=-1)
{if(isDescendantInsideFixedHeightDescendantOfAncestor(oNode,oAncestor))
{continue;}
oParaDescendants.push(oNode);}}
var oPotentialParagraphs=oAncestor.getElementsByTagName('P');for(var iIndex=0;iIndex<oPotentialParagraphs.length;iIndex++)
{var oNode=oPotentialParagraphs.item(iIndex);if(isDescendantInsideFixedHeightDescendantOfAncestor(oNode,oAncestor))
{continue;}
oParaDescendants.push(oNode);}
return oParaDescendants;}
var MINIMUM_FONT="10";var UNITS="";function elementFontSize(element)
{var fontSize=MINIMUM_FONT;if(document.defaultView)
{var computedStyle=document.defaultView.getComputedStyle(element,null);if(computedStyle)
{fontSize=computedStyle.getPropertyValue("font-size");}}
else if(element.currentStyle)
{fontSize=element.currentStyle.fontSize;}
if((UNITS.length===0)&&(fontSize!=MINIMUM_FONT))
{UNITS=fontSize.substring(fontSize.length-2,fontSize.length);}
return parseFloat(fontSize);}
function isExceptionToOneLineRule(element)
{return($(element).hasClassName("Header"))}
var HEIGHT_ERROR_MARGIN=2;function adjustFontSizeIfTooBig(idOfElement)
{var oParagraphDiv;var oSpan;var oTextBoxInnerDiv;var oTextBoxOuterDiv=document.getElementById(idOfElement);if(oTextBoxOuterDiv)
{oTextBoxInnerDiv=getElementsByTagAndClassName(oTextBoxOuterDiv,"DIV","text-content")[0];if(oTextBoxInnerDiv)
{hideAllListBulletImagesContainedBy(oTextBoxInnerDiv);var offsetHeight=oTextBoxInnerDiv.offsetHeight;var specifiedHeight=offsetHeight;if(oTextBoxOuterDiv.style.height!=="")
{specifiedHeight=parseFloat(oTextBoxOuterDiv.style.height);}
if(offsetHeight>(specifiedHeight+HEIGHT_ERROR_MARGIN))
{var smallestFontSize=200;var aParaChildren=getShrinkableParaDescendants(oTextBoxInnerDiv);var oneLine=false;var exceptionToOneLineRule=false;for(i=0;i<aParaChildren.length;i++)
{oParagraphDiv=aParaChildren[i];var lineHeight=elementLineHeight(oParagraphDiv);if(!isNaN(lineHeight))
{oneLine=oneLine||(lineHeight*1.5>=specifiedHeight);exceptionToOneLineRule=oneLine&&isExceptionToOneLineRule(oParagraphDiv);}
var fontSize=elementFontSize(oParagraphDiv);if(!isNaN(fontSize))
{smallestFontSize=Math.min(smallestFontSize,fontSize);}
for(j=0;j<oParagraphDiv.childNodes.length;j++)
{oSpan=oParagraphDiv.childNodes[j];if((oSpan.nodeName=="SPAN")||(oSpan.nodeName=="A"))
{fontSize=elementFontSize(oSpan);if(!isNaN(fontSize))
{smallestFontSize=Math.min(smallestFontSize,fontSize);}}}}
var minimum=parseFloat(MINIMUM_FONT);var count=0;while((smallestFontSize>minimum)&&(offsetHeight>(specifiedHeight+HEIGHT_ERROR_MARGIN))&&(count<10))
{++count;if(oneLine&&!exceptionToOneLineRule)
{var oldWidth=parseInt(oTextBoxOuterDiv.style.width,10);oTextBoxInnerDiv.style.width=""+oldWidth*Math.pow(1.05,count)+"px";}
else
{var scale=Math.max(0.95,minimum/smallestFontSize);for(i=0;i<aParaChildren.length;i++)
{oParagraphDiv=aParaChildren[i];var paraFontSize=elementFontSize(oParagraphDiv)*scale;var paraLineHeight=elementLineHeight(oParagraphDiv)*scale;for(j=0;j<oParagraphDiv.childNodes.length;j++)
{oSpan=oParagraphDiv.childNodes[j];if((oSpan.nodeName=="SPAN")||(oSpan.nodeName=="A"))
{var spanLineHeight=elementLineHeight(oSpan)*scale;if(!isNaN(spanLineHeight))
{oSpan.style.lineHeight=spanLineHeight+UNITS;}
var spanFontSize=elementFontSize(oSpan)*scale;if(!isNaN(spanFontSize))
{oSpan.style.fontSize=spanFontSize+UNITS;smallestFontSize=Math.min(smallestFontSize,spanFontSize);}}}
if(!isNaN(paraLineHeight))
{oParagraphDiv.style.lineHeight=paraLineHeight+UNITS;}
if(!isNaN(paraFontSize))
{oParagraphDiv.style.fontSize=paraFontSize+UNITS;smallestFontSize=Math.min(smallestFontSize,paraFontSize);}}}
offsetHeight=oTextBoxInnerDiv.offsetHeight;}}
showAllListBulletImagesContainedBy(oTextBoxInnerDiv);}}}
function elementLineHeight(element)
{var lineHeight=MINIMUM_FONT;if(document.defaultView)
{var computedStyle=document.defaultView.getComputedStyle(element,null);if(computedStyle)
{lineHeight=computedStyle.getPropertyValue("line-height");}}
else if(element.currentStyle)
{lineHeight=element.currentStyle.lineHeight;}
if((UNITS.length===0)&&(lineHeight!=MINIMUM_FONT))
{UNITS=lineHeight.substring(lineHeight.length-2,lineHeight.length);}
return parseFloat(lineHeight);}
function adjustLineHeightIfTooBig(idOfElement)
{var oTextBoxInnerDiv;var oTextBoxOuterDiv=document.getElementById(idOfElement);if(oTextBoxOuterDiv)
{oTextBoxInnerDiv=getElementsByTagAndClassName(oTextBoxOuterDiv,"DIV","text-content")[0];if(oTextBoxInnerDiv)
{hideAllListBulletImagesContainedBy(oTextBoxInnerDiv);var offsetHeight=oTextBoxInnerDiv.offsetHeight;var specifiedHeight=offsetHeight;if(oTextBoxOuterDiv.style.height!=="")
{specifiedHeight=parseFloat(oTextBoxOuterDiv.style.height);}
if(offsetHeight>(specifiedHeight+HEIGHT_ERROR_MARGIN))
{var adjusted=true;var count=0;while((adjusted)&&(offsetHeight>(specifiedHeight+HEIGHT_ERROR_MARGIN))&&(count<10))
{adjusted=false;++count;var aParaChildren=getShrinkableParaDescendants(oTextBoxInnerDiv);for(i=0;i<aParaChildren.length;i++)
{var fontSize;var lineHeight;var oParagraphDiv=aParaChildren[i];fontSize=elementFontSize(oParagraphDiv);lineHeight=elementLineHeight(oParagraphDiv)*0.95;if(!isNaN(lineHeight)&&lineHeight>=(fontSize*1.1))
{oParagraphDiv.style.lineHeight=lineHeight+UNITS;adjusted=true;}
for(j=0;j<oParagraphDiv.childNodes.length;j++)
{var oSpan=oParagraphDiv.childNodes[j];if((oSpan.nodeName=="SPAN")||(oSpan.nodeName=="A"))
{fontSize=elementFontSize(oSpan);lineHeight=elementLineHeight(oSpan)*0.95;if(!isNaN(lineHeight)&&lineHeight>=(fontSize*1.1))
{oSpan.style.lineHeight=lineHeight+UNITS;adjusted=true;}}}}
offsetHeight=oTextBoxInnerDiv.offsetHeight;}}
showAllListBulletImagesContainedBy(oTextBoxInnerDiv);}}}
function isDiv(node)
{return(node.nodeType==Node.ELEMENT_NODE)&&(node.tagName=="DIV");}
function fixupAllMozInlineBlocks()
{detectBrowser();if(isFirefox||isCamino)
{var oInlineBlocks=getElementsByTagAndClassName(document.body,"DIV","inline-block");for(var i=0,inlineBlocksLength=oInlineBlocks.length;i<inlineBlocksLength;++i)
{var oInlineBlock=oInlineBlocks[i];var oInterposingDiv=document.createElement("div");oInterposingDiv.style.position="relative";oInterposingDiv.style.overflow="visible";for(var j=0,childNodesLength=oInlineBlock.childNodes.length;j<childNodesLength;++j)
{var oChildNode=oInlineBlock.childNodes[0];oInlineBlock.removeChild(oChildNode);oInterposingDiv.appendChild(oChildNode);}
oInlineBlock.appendChild(oInterposingDiv);}}}
function getWidthDefiningAncestor(elem)
{var ancestor=elem.up('[style~="width:"]');if(!ancestor)
{ancestor=$$('body')[0];}
return ancestor;}
function updateListOfIE7FloatsFix(div)
{var div=$(div);var floatValue=div.getStyle("float");if(floatValue=="left"||floatValue=="right")
{var commonAncestor=getWidthDefiningAncestor(div);var floatDescendants=commonAncestor.getElementsBySelector('[style~="float:"]');while(floatDescendants.length>0)
{var floatElem=floatDescendants.shift();floatValue=floatElem.getStyle("float");if(floatValue=="left"||floatValue=="right")
{var floatAncestor=getWidthDefiningAncestor(floatElem);if(floatAncestor===commonAncestor)
{if(!listOfIE7FloatsFix.include(floatElem))
{listOfIE7FloatsFix.push(floatElem);}}}}}}
function fixupFloatsIfIE7()
{detectBrowser();if(windowsInternetExplorer&&browserVersion==7)
{if(listOfIE7FloatsFix.length>0)
{var floatsToRestore=[];var floatElem;var displayStyle;while(listOfIE7FloatsFix.length>0)
{floatElem=listOfIE7FloatsFix.shift();displayStyle=floatElem.getStyle("display");floatElem.setStyle({"display":"none"});floatsToRestore.push({element:floatElem,displayStyle:displayStyle});}
while(floatsToRestore.length>0)
{var queueEntry=floatsToRestore.shift();floatElem=queueEntry.element;displayStyle=queueEntry.displayStyle;floatElem.setStyle({"display":displayStyle});}}}}
function performPostEffectsFixups()
{fixupAllMozInlineBlocks();fixupFloatsIfIE7();}
function reduceLeftMarginIfIE6(element)
{detectBrowser();if(windowsInternetExplorer&&browserVersion<7)
{$(element).style.marginLeft=px(parseFloat($(element).style.marginLeft||0)-1);}}
function reduceRightMarginIfIE6(element)
{detectBrowser();if(windowsInternetExplorer&&browserVersion<7)
{$(element).style.marginRight=px(parseFloat($(element).style.marginRight||0)-1);}}
if(Object.keys===undefined)
{Object.keys=function(obj)
{var result=[];for(attr in obj)
result.push(attr);return result;}}
Object.objectType=function(obj)
{var result=typeof obj;if(result=="object")
{if(obj.constructor==Array)
result="Array";}
return result;}
Array.prototype.contains=function(value)
{for(var i=0;i<this.length;++i)
{if(this[i]==value)
{return true;}}
return false;};Array.prototype.forEach=function(f)
{for(var i=0;i<this.length;++i)
{f(this[i]);}};Array.prototype.indexOf=function(value)
{for(var i=0;i<this.length;++i)
{if(this[i]==value)
{return i;}}
return null;};Array.prototype.isEqual=function(that)
{if(this.length==that.length)
{for(var i=0;i<this.length;++i)
{if(this[i]!=that[i])
return false;}
return true;}
return false;}
Array.prototype.minusArray=function(that)
{var i=0;while(i<this.length)
{if(that.contains(this[i]))
this.splice(i,1);else
++i;}}
String.stringWithFormat=function(format)
{var formatted="";var nextArgument=1;var formatPattern=/%((\d+)\$)?([%s])?/;while(true)
{foundIndex=format.search(formatPattern);if(foundIndex==-1)
{formatted+=format;break;}
if(foundIndex>0)
{formatted+=format.substring(0,foundIndex)}
var matchInfo=format.match(formatPattern);var formatCharacter=matchInfo[3];if(formatCharacter=="%")
{formatted+="%";}
else
{if(matchInfo[2])
{argumentNumber=parseInt(matchInfo[2]);}
else
{argumentNumber=nextArgument++;}
argument=(argumentNumber<arguments.length)?arguments[argumentNumber]:"";if(formatCharacter=="s")
{formatted+=argument;}}
format=format.substring(foundIndex+matchInfo[0].length);}
return formatted;}
String.prototype.hasSuffix=function(suffix)
{return this.slice(-1*suffix.length)==suffix;};String.prototype.hasPrefix=function(prefix)
{return this.substr(0,prefix.length)==prefix;}
String.prototype.lastPathComponent=function()
{return this.substr(this.lastIndexOf("/")+1);};String.prototype.stringByDeletingLastPathComponent=function()
{return this.substr(0,this.lastIndexOf("/"));};String.prototype.stringByDeletingPathExtension=function()
{var lastSeparatorIndex=this.lastIndexOf("/");var lastDotIndex=this.lastIndexOf(".");if((lastDotIndex>lastSeparatorIndex+1)&&lastDotIndex>0)
return this.slice(0,lastDotIndex);return this;}
String.prototype.stringByAppendingPathComponent=function(component)
{if(this.hasSuffix("/"))
{return this+component;}
return this+"/"+component;};String.prototype.stringByAppendingAsQueryString=function(parameters)
{var result=this;if(parameters)
{var prependChar="?";Object.keys(parameters).forEach(function(key)
{if(parameters.hasOwnProperty(key))
{result+=prependChar+escape(key)+"="+escape(parameters[key]);prependChar="&";}});}
return result;};String.prototype.stringByUnescapingXML=function()
{var str=this.replace(/&lt;/g,'<');str=str.replace(/&gt;/g,'>');str=str.replace(/&quot;/g,'"');str=str.replace(/&apos;/g,"'");str=str.replace(/&amp;/g,'&');return str;};String.prototype.stringByEscapingXML=function(escapeAdditionalCharacters)
{var str=this.replace(/&/g,'&amp;');str=str.replace(/</g,'&lt;');if(escapeAdditionalCharacters)
{str=str.replace(/>/g,'&gt;');str=str.replace(/"/g,'&quot;');str=str.replace(/'/g,'&apos;');}
return str;};String.prototype.stringByConvertingNewlinesToBreakTags=function()
{return this.replace(/\n\r|\n|\r/g,'<br />');};String.prototype.urlStringByDeletingQueryAndFragment=function()
{var result=this;var lastIndex=result.lastIndexOf("?");if(lastIndex>0)
return result.substr(0,lastIndex);lastIndex=result.lastIndexOf("#");if(lastIndex>0)
result=result.substr(0,lastIndex);return result;}
String.prototype.toRelativeURL=function(baseURL)
{var result=this;if(baseURL&&this.indexOf(baseURL)==0)
{var chop=baseURL.length;if(this.charAt(chop)=='/')
++chop;result=this.substring(chop);}
return result;}
String.prototype.toAbsoluteURL=function()
{var result=this;if(this.indexOf(":/")==-1)
{var pageURL=document.URL.urlStringByDeletingQueryAndFragment();var pathURL=pageURL.stringByDeletingLastPathComponent();result=pathURL.stringByAppendingPathComponent(this);}
return result;}
String.prototype.toRebasedURL=function(baseURL)
{return this.toRelativeURL(baseURL).toAbsoluteURL();}
String.prototype.replaceStringWithString=function(target,replacement,global)
{var result=this;while(true)
{var pos=result.indexOf(target);if(pos==-1)
break;result=result.substr(0,pos)+replacement+result.substr(pos+target.length);pos+=replacement.length;if(pos>=result.length||!global)
break;}
return result;}
var trace=function(){};function ajaxRequest(url,func,obj)
{if(window.XMLHttpRequest)
{var req=new XMLHttpRequest();}
else if(window.ActiveXObject)
{isIE=true;try
{req=new ActiveXObject("Msxml2.XMLHTTP");}
catch(e)
{req=new ActiveXObject("Microsoft.XMLHTTP");}}
if(func)
{req.onreadystatechange=function(){func(req,obj);}}
req.open('GET',url,true);req.setRequestHeader('X-Requested-With','XMLHttpRequest');if(req.overrideMimeType)
{req.overrideMimeType("text/xml");}
req.send(null);return false;}
function isAjaxRequestReady(req)
{var result=req.readyState==4&&(req.status==null||req.status==0||req.status==200);return result;}
function ajaxGetDocumentElement(req)
{var elem=null;if(req.responseXML.documentElement)
{elem=req.responseXML.documentElement;}
else
{var dom=new ActiveXObject("MSXML.DOMDocument");dom.loadXML(req.responseText);elem=dom.documentElement;}
return elem;}
function iWLog(str)
{if(window.console)
{window.console.log(str);}
else if(window.dump)
{window.dump(str+"\n");}}
function position(abs,left,top,width,height)
{var pos="";if(abs)
pos="position: absolute; ";var size="";if(width&&height)
size=' width: '+width+'px; height: '+height+'px;';return pos+'left: '+left+'px; top: '+top+'px;'+size;}
var gIWUtilsTransparentGifURL="";function setTransparentGifURL(url)
{if(gIWUtilsTransparentGifURL=="")
{gIWUtilsTransparentGifURL=url;}}
function transparentGifURL()
{(function(){return gIWUtilsTransparentGifURL!=""}).assert("Transparent image URL not set");return gIWUtilsTransparentGifURL;}
function imgMarkup(src,style,attributes,alt)
{var markup="";if(src)
{if(style==null)
{style="";}
if(attributes==null)
{attributes="";}
if(alt==null)
{alt="";}
detectBrowser();if(windowsInternetExplorer)
{style+=" filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+IEConvertURLForPNGFix(src)+"', sizingMethod='scale');";src=gIWUtilsTransparentGifURL;}
if(style.length>0)
{style=' style="'+style+'"';}
if(attributes.length>0)
{attributes=' '+attributes;}
if(alt.length>0)
{alt=' alt="'+alt.stringByEscapingXML(true)+'"';}
markup='<img src="'+src+'"'+style+attributes+alt+' />';}
return markup;}
function setImgSrc(imgElement,src)
{detectBrowser();if(windowsInternetExplorer&&src.slice(-4).toLowerCase()==".png")
{$(imgElement).setFilter('progid:DXImageTransform.Microsoft.AlphaImageLoader','src="'+IEConvertURLForPNGFix(src)+'", sizingMethod="scale"');imgElement.src=gIWUtilsTransparentGifURL;}
else
{imgElement.src=src;}}
function iWOpacity(opacity)
{var style="";detectBrowser();if(windowsInternetExplorer)
{style=" progid:DXImageTransform.Microsoft.Alpha(opacity="+opacity*100+"); ";}
else
{style=" opacity: "+opacity+"; ";}
return style;}
function getElementsByTagAndClassName(that,tagName,className)
{var elementsByClassAndTag=[];var elementsByClass=$(that).getElementsByClassName(className);if(tagName=='*')
{elementsByClassAndTag=elementsByClass;}
else
{tagName=tagName.toLowerCase();for(var i=0,len=elementsByClass.length;i<len;++i)
{if(elementsByClass[i].tagName.toLowerCase()==tagName)
{elementsByClassAndTag.push(elementsByClass[i]);}}}
return elementsByClassAndTag;}
function getArgs()
{var args=new Object();var query=location.search.substring(1);var pairs=query.split("&");for(var i=0;i<pairs.length;++i)
{var pair=pairs[i];var pos=pair.indexOf('=');if(pos>0)
{var argname=decodeURIComponent(pair.substring(0,pos));var value=decodeURIComponent(pair.substring(pos+1));args[argname]=value;}}
return args;}
function IWRange(location,length)
{this.setLocation(location);this.setLength(length);}
IWRange.prototype.length=function()
{return this.p_length;}
IWRange.prototype.setLength=function(length)
{this.p_length=parseFloat(length);}
IWRange.prototype.location=function()
{return this.p_location;}
IWRange.prototype.setLocation=function(location)
{this.p_location=parseFloat(location);}
IWRange.prototype.max=function()
{return this.location()+this.length();}
IWRange.prototype.min=function()
{return this.location();}
IWRange.prototype.shift=function(amount)
{this.setLocation(this.location()+amount);}
IWRange.prototype.containsLocation=function(location)
{return((location>=this.min())&&(location<this.max()));}
function IWPageRange(location,length)
{IWRange.apply(this,arguments);}
IWPageRange.prototype=new IWRange();IWPageRange.prototype.constructor=IWRange;IWPageRange.prototype.setMax=function(newMax)
{var maxLength=this.p_lengthForMax(newMax);this.setLocation(Math.max(newMax-maxLength,0))
this.setLength(newMax-this.location());}
IWPageRange.prototype.shift=function(amount)
{IWRange.prototype.shift.call(this,amount);this.setMax(this.max());}
IWPageRange.prototype.p_lengthForMax=function(max)
{return(max<=9)?5:3;}
function px(s)
{return s.toString()+"px";}
function depx(s)
{return parseInt(s||0);}
function globalOriginOfDivNode(div)
{(function(){return div!==null;}).assert("div must not be null");(function(){return div.offsetParent!==null;}).assert("div has null offset parent, maybe hidden?");var p=Position.cumulativeOffset(div);return new IWPoint(p[0],p[1]);}
function globalRectOfDivNode(div)
{var globalOrigin=globalOriginOfDivNode(div);var size=new IWSize(div.offsetWidth,div.offsetHeight);return new IWRect(globalOrigin,size);}
function pageSetBodyLayerResidentRectangle(divId,rectangle)
{var div=$(divId);if(div)
{if(window.bodyLayerResidents===undefined)
{window.bodyLayerResidents=new Hash({});}
if(rectangle===null)
{bodyLayerResidents.remove(divId);}
else
{bodyLayerResidents[divId]=rectangle;}
var desiredBottom=0;bodyLayerResidents.each(function(pair)
{var itemBottom=pair.value.origin.y+pair.value.size.height;desiredBottom=Math.max(desiredBottom,itemBottom);});var bodyLayer=$('body_layer');if(bodyLayer)
{var bodyLayerSpacer=bodyLayer.getElementsByClassName('spacer')[0];if(bodyLayerSpacer)
{var bodySpacerRect=globalRectOfDivNode(bodyLayerSpacer);var desiredHeight=desiredBottom-bodySpacerRect.origin.y;bodyLayerSpacer.style.height=px(desiredHeight);}}}}
function locationHRef()
{var result=window.location.href;if(result.match(/file:\/[^\/]/))
{result="file://"+result.substr(5);}
return result;}
function IWSize(width,height)
{this.width=width;this.height=height;}
function IWZeroSize()
{return new IWSize(0,0);}
IWSize.prototype.scale=function(hscale,vscale,round)
{if(round===undefined)round=false;if(vscale===undefined)vscale=hscale;var scaled=new IWSize(this.width*hscale,this.height*vscale);if(round)
{scaled.width=Math.round(scaled.width);scaled.height=Math.round(scaled.height);}
return scaled;}
IWSize.prototype.round=function()
{return this.scale(1,1,true);}
IWSize.prototype.toString=function()
{return"Size("+this.width+", "+this.height+")";}
IWSize.prototype.aspectRatio=function()
{return this.width/this.height;}
IWSize.prototype.subtractSize=function(s)
{return new IWSize(this.width-s.width,this.height-s.height);}
function IWPoint(x,y)
{this.x=x;this.y=y;}
function IWZeroPoint()
{return new IWPoint(0,0);}
IWPoint.prototype.scale=function(hscale,vscale,round)
{if(round===undefined)round=false;if(vscale===undefined)vscale=hscale;var scaled=new IWPoint(this.x*hscale,this.y*vscale);if(round)
{scaled.x=Math.round(scaled.x);scaled.y=Math.round(scaled.y);}
return scaled;}
IWPoint.prototype.round=function()
{return this.scale(1,1,true);}
IWPoint.prototype.offset=function(deltaX,deltaY)
{return new IWPoint(this.x+deltaX,this.y+deltaY);}
IWPoint.prototype.toString=function()
{return"Point("+this.x+", "+this.y+")";}
function IWRect()
{if(arguments.length==1)
{this.origin=arguments[0].origin;this.size=arguments[0].size;}
else if(arguments.length==2)
{this.origin=arguments[0];this.size=arguments[1];}
else if(arguments.length==4)
{this.origin=new IWPoint(arguments[0],arguments[1]);this.size=new IWSize(arguments[2],arguments[3]);}}
IWRect.prototype.clone=function()
{return new IWRect(this.origin.x,this.origin.y,this.size.width,this.size.height);}
function IWZeroRect()
{return new IWRect(0,0,0,0);}
IWRect.prototype.toString=function()
{return"Rect("+this.origin.toString()+", "+this.size.toString()+")";}
IWRect.prototype.maxX=function()
{return this.origin.x+this.size.width;}
IWRect.prototype.maxY=function()
{return this.origin.y+this.size.height;}
IWRect.prototype.union=function(that)
{var minX=Math.min(this.origin.x,that.origin.x);var minY=Math.min(this.origin.y,that.origin.y);var maxX=Math.max(this.maxX(),that.maxX());var maxY=Math.max(this.maxY(),that.maxY());return new IWRect(minX,minY,maxX-minX,maxY-minY);}
IWRect.prototype.intersection=function(that)
{var intersectionRect;var minX=Math.max(this.origin.x,that.origin.x);var minY=Math.max(this.origin.y,that.origin.y);var maxX=Math.min(this.maxX(),that.maxX());var maxY=Math.min(this.maxY(),that.maxY());if((minX<maxX)&&(minY<maxY))
{intersectionRect=new IWRect(minX,minY,maxX-minX,maxY-minY);}
else
{intersectionRect=new IWRect(0,0,0,0);}
return intersectionRect;}
IWRect.prototype.scale=function(hscale,vscale,round)
{if(round===undefined)round=false;if(vscale===undefined)vscale=hscale;var scaledOrigin=this.origin.scale(hscale,vscale,round);var scaledSize=this.size.scale(hscale,vscale,round);return new IWRect(scaledOrigin.x,scaledOrigin.y,scaledSize.width,scaledSize.height);}
IWRect.prototype.scaleSize=function(hscale,vscale,round)
{var scaledSize=this.size.scale(hscale,vscale,round);return new IWRect(this.origin.x,this.origin.y,scaledSize.width,scaledSize.height);}
IWRect.prototype.round=function()
{return this.scale(1,1,true);}
IWRect.prototype.offset=function(deltaX,deltaY)
{var offsetOrigin=this.origin.offset(deltaX,deltaY);return new IWRect(offsetOrigin.x,offsetOrigin.y,this.size.width,this.size.height);}
IWRect.prototype.offsetToOrigin=function()
{return this.offset(-this.origin.x,-this.origin.y)}
IWRect.prototype.centerPoint=function()
{return this.offset(this.size.width/2,this.size.height/2);}
IWRect.prototype.position=function()
{return"position: absolute; left: "+this.origin.x+"px; top: "+this.origin.y+"px; width: "+this.size.width+"px; height: "+this.size.height+"px; ";}
IWRect.prototype.clip=function()
{return"clip: rect("+this.origin.y+"px, "+this.maxX()+"px, "+this.maxY()+"px, "+this.origin.x+"px);";}
IWRect.prototype.toExtents=function()
{return new IWExtents(this.origin.x,this.origin.y,this.origin.x+this.size.width,this.origin.y+this.size.height);}
IWRect.prototype.paddingToRect=function(padded)
{return new IWPadding(this.origin.x-padded.origin.x,this.origin.y-padded.origin.y,padded.maxX()-this.maxX(),padded.maxY()-this.maxY());}
function IWExtents(left,top,right,bottom)
{this.left=left;this.top=top;this.right=right;this.bottom=bottom;}
IWExtents.prototype.clone=function()
{return new IWExtents(this.left,this.top,this.right,this.bottom);}
IWExtents.prototype.toRect=function()
{return new IWRect(this.left,this.top,this.right-this.left,this.bottom-this.top);}
function IWPadding(left,top,right,bottom)
{this.left=left;this.top=top;this.right=right;this.bottom=bottom;}
IWRect.prototype.fill=function(context)
{context.fillRect(this.origin.x,this.origin.y,this.size.width,this.size.height);}
IWRect.prototype.clear=function(context)
{context.clearRect(this.origin.x,this.origin.y,this.size.width,this.size.height);}
var NotificationCenter=new IWNotificationCenter();function IWNotificationCenter()
{this.mDispatchTable=new Array();}
IWNotificationCenter.prototype.addObserver=function(observer,method,name,object)
{this.p_observersForName(name).push(new Array(observer,method,object));}
IWNotificationCenter.prototype.removeObserver=function(observer)
{}
IWNotificationCenter.prototype.postNotification=function(notification)
{if(notification.name()!=null)
{var observersForName=this.mDispatchTable[notification.name()];this.p_postNotificationToObservers(notification,observersForName);}
var observersForNullName=this.mDispatchTable[null];this.p_postNotificationToObservers(notification,observersForNullName);}
IWNotificationCenter.prototype.postNotificationWithInfo=function(name,object,userInfo)
{this.postNotification(new IWNotification(name,object,userInfo));}
IWNotificationCenter.prototype.p_postNotificationToObservers=function(notification,observers)
{if(notification!=null&&observers!=null)
{for(var i=0;i<observers.length;i++)
{var observer=observers[i][0];var method=observers[i][1];var obj=observers[i][2];if(obj==null||obj===notification.object())
{method.call(observer,notification);}}}}
IWNotificationCenter.prototype.p_observersForName=function(name)
{if(this.mDispatchTable[name]===undefined)
{this.mDispatchTable[name]=new Array();}
return this.mDispatchTable[name];}
function IWNotification(name,object,userInfo)
{this.mName=name;this.mObject=object;this.mUserInfo=userInfo;}
IWNotification.prototype.name=function()
{return this.mName;}
IWNotification.prototype.object=function()
{return this.mObject;}
IWNotification.prototype.userInfo=function()
{return this.mUserInfo;}
var IWAssertionsEnabled=true;function IWAssert(func,description)
{if(IWAssertionsEnabled)
{function IWAssertionFailed(func,description)
{var formatter=new RegExp("return[\t\r ]*([^};\r]*)");var assertionText=func.toString().match(formatter)[1];var message='Assertion failed: "'+assertionText+'"';if(description!=null)
message+='.  '+description;iWLog(message);}
function IWCoreAssert(func,description)
{if(func()==false)
{IWAssertionFailed(func,description);}}
IWCoreAssert(function(){return typeof(func)=='function'},"IWAssert requires its first argument to be a function.  "+"Try wrapping your assertion in function(){return ... }");var result=func();IWCoreAssert(function(){return result!=null},"The result of your assertion function is null; "+"did you remember your return statement?");IWCoreAssert(function(){return result==true||result==false},"The result of your assertion function is neither true nor false");if(result==false)
{IWAssertionFailed(func,description);}}}
Function.prototype.assert=function(description)
{IWAssert(this,description);}
function makeAjaxHandler(callback)
{return function(request)
{if(request.readyState==4)
{callback(request,(request.status==200)||(request.status===undefined)||(request.status==0));}};}
function makeXmlHttpRequest(url,handler)
{var request=false;if(window.XMLHttpRequest)
{request=new XMLHttpRequest();}
else if(window.ActiveXObject)
{try
{request=new ActiveXObject("Msxml2.XMLHTTP");}
catch(e)
{request=new ActiveXObject("Microsoft.XMLHTTP");}}
if(!request)
{return false;}
if(handler)
{request.onreadystatechange=function(){handler(request);};}
try
{request.open('GET',url,true);request.setRequestHeader('X-Requested-With','XMLHttpRequest');request.setRequestHeader('If-Modified-Since','Wed, 15 Nov 1995 00:00:00 GMT');if(request.overrideMimeType)
{request.overrideMimeType('text/xml');}
request.send(null);}
catch(e)
{return false;}
return true;}
function getTextFromNode(node)
{var result="";if(node.nodeType==Node.ELEMENT_NODE)
{var children=node.childNodes;for(var i=0;i<children.length;++i)
{result=result+getTextFromNode(children[i]);}}
else if(node.nodeType==Node.TEXT_NODE)
{return node.nodeValue;}
return result;}
function getChildElementsByTagName(node,name)
{var result=[];for(var i=0;i<node.childNodes.length;++i)
{if(node.childNodes[i].tagName==name)
{result.push(node.childNodes[i]);}}
return result;}
function getChildElementsByTagNameNS(node,ns,nsPrefix,localName)
{var result=[];for(var i=0;i<node.childNodes.length;++i)
{var childNode=node.childNodes[i];if(childNode.namespaceURI)
{if(childNode.namespaceURI==ns)
{if(childNode.localName&&(childNode.localName==localName))
{result.push(childNode);}
else if(childNode.tagName==(nsPrefix+":"+localName))
{result.push(childNode);}}}
else
{if((ns=="")&&(childNode.tagName==localName))
{result.push(childNode);}}}
return result;}
function getFirstChildElementByTagNameNS(node,ns,nsPrefix,localName)
{var children=getChildElementsByTagNameNS(node,ns,nsPrefix,localName);if(children.length>0)
return children[0];return null;}
function getFirstChildElementByTagName(node,name)
{for(var i=0;i<node.childNodes.length;++i)
{if(node.childNodes[i].tagName==name)
{return node.childNodes[i];}}
return null;}
function getChildElementTextByTagName(node,tagName)
{var result="";if(node!==null)
{var children=getChildElementsByTagName(node,tagName);if(children.length>1)
{throw"MultipleResults";}
if(children.length==1)
{result=getTextFromNode(children[0]);}}
return result;}
function getChildElementTextByTagNameNS(node,ns,nsPrefix,localName)
{var result="";if(node)
{var children=getChildElementsByTagNameNS(node,ns,nsPrefix,localName);if(children.length>1)
throw"MultipleResults";if(children.length==1)
{result=getTextFromNode(children[0]);}}
return result;}
function getChildElements(node)
{var result=[];for(var i=0;i<node.childNodes.length;++i)
{var child=node.childNodes[i];if(child.nodeType==Node.ELEMENT_NODE)
result.push(child);}
return result;}
function adjustNodeIds(node,suffix)
{var undefined;if(node.id!="")
{node.id+=("$"+suffix);}
var childElements=getChildElements(node);for(var i=0;i<childElements.length;++i)
{adjustNodeIds(childElements[i],suffix);}}
function removeAllChildNodes(node)
{while(node.childNodes.length>0)
{node.removeChild(node.childNodes[0]);}}
function nodeIsChildOf(node,ancestor)
{if(node)
{if(node.parentNode==ancestor)
return true;else
return nodeIsChildOf(node.parentNode,ancestor)}
return false;}
function substituteSpans(parentNode,replacements)
{Object.keys(replacements).forEach(function(key)
{var spans=getElementsByTagAndClassName(parentNode,"span",key);spans.forEach(function(node)
{var contentType=replacements[key][0];var newContent=replacements[key][1];if(contentType=="text")
{removeAllChildNodes(node);node.appendChild(document.createTextNode(newContent));}
else if(contentType=="html")
{node.innerHTML=newContent;}});});}
var Prototype = {
  Version: '1.6.0',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div').__proto__ &&
      document.createElement('div').__proto__ !==
        document.createElement('form').__proto__
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;

if (Prototype.Browser.WebKit)
  Prototype.BrowserFeatures.XPath = false;

/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value, value = Object.extend((function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method), {
          valueOf:  function() { return method },
          toString: function() { return method.toString() }
        });
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (object === undefined) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : object.toString();
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (value !== undefined)
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return object && object.nodeType == 1;
  },

  isArray: function(object) {
    return object && object.constructor === Array;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && arguments[0] === undefined) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Function.prototype.defer = Function.prototype.delay.curry(0.01);

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = count === undefined ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = truncation === undefined ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/, match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    }.bind(this));
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    iterator = iterator.bind(context);
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    iterator = iterator.bind(context);
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator(value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = fillWith === undefined ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    iterator = iterator.bind(context);
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == undefined || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == undefined || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    iterator = iterator.bind(context);
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  function $A(iterable) {
    if (!iterable) return [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        iterable.toArray) return iterable.toArray();
    var length = iterable.length, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  }
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (value !== undefined) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
  if (function() {
    var i = 0, Test = function(value) { this.key = value };
    Test.prototype.key = 'foo';
    for (var property in new Test('bar')) i++;
    return i > 1;
  }()) {
    function each(iterator) {
      var cache = [];
      for (var key in this._object) {
        var value = this._object[key];
        if (cache.include(key)) continue;
        cache.push(key);
        var pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    }
  } else {
    function each(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    }
  }

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: each,

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return values.map(toQueryPair.curry(key)).join('&');
        }
        return toQueryPair(key, values);
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();
    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name);
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = xml === undefined ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON);
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')))
        return null;
    try {
      return this.transport.responseText.evalJSON(options.sanitizeJSON);
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = options || { };
    var onComplete = options.onComplete;
    options.onComplete = (function(response, param) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, param);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }

    if (this.success()) {
      if (this.onComplete) this.onComplete.bind(this).defer();
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, t, range;

    for (position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      t = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        t.insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      range = element.ownerDocument.createRange();
      t.initializeRange(element, range);
      t.insert(element, range.createContextualFragment(content.stripScripts()));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $A($(element).getElementsByTagName('*')).each(Element.extend);
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return expression ? Selector.findElement(ancestors, expression, index) :
      ancestors[index || 0];
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    var descendants = element.descendants();
    return expression ? Selector.findElement(descendants, expression, index) :
      descendants[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return expression ? Selector.findElement(previousSiblings, expression, index) :
      previousSiblings[index || 0];
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return expression ? Selector.findElement(nextSiblings, expression, index) :
      nextSiblings[index || 0];
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = value === undefined ? true : value;

    for (var attr in attributes) {
      var name = t.names[attr] || attr, value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == ancestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value) {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};


if (!document.createRange || Prototype.Browser.Opera) {
  Element.Methods.insert = function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = { bottom: insertions };

    var t = Element._insertionTranslations, content, position, pos, tagName;

    for (position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      pos      = t[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        pos.insert(element, content);
        continue;
      }

      content = Object.toHTML(content);
      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      if (t.tags[tagName]) {
        var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
        if (position == 'top' || position == 'after') fragments.reverse();
        fragments.each(pos.insert.curry(element));
      }
      else element.insertAdjacentHTML(pos.adjacency, content.stripScripts());

      content.evalScripts.bind(content).defer();
    }

    return element;
  };
}

if (Prototype.Browser.Opera) {
  Element.Methods._getStyle = Element.Methods.getStyle;
  Element.Methods.getStyle = function(element, style) {
    switch(style) {
      case 'left':
      case 'top':
      case 'right':
      case 'bottom':
        if (Element._getStyle(element, 'position') == 'static') return null;
      default: return Element._getStyle(element, style);
    }
  };
  Element.Methods._readAttribute = Element.Methods.readAttribute;
  Element.Methods.readAttribute = function(element, attribute) {
    if (attribute == 'title') return element.title;
    return Element._readAttribute(element, attribute);
  };
}

else if (Prototype.Browser.IE) {
  $w('positionedOffset getOffsetParent viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        var position = element.getStyle('position');
        if (position != 'static') return proceed(element);
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          var attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.clone(Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Position.cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if (document.createElement('div').outerHTML) {
  Element.Met