function Utilities(){}
Utilities.generateIDNumber=function(){var timestamp=new Date().getTime();var rand=parseInt((Math.random()*100000));return timestamp+rand;};Utilities.DefaultWindow=window;Utilities.Window=window;Utilities.Window.name="n"+Utilities.generateIDNumber();Utilities.setWindow=function(win){Utilities.Window=win;};Utilities.resetWindow=function(){Utilities.Window=Utilities.DefaultWindow;};if(!Utilities.Window.Node)
{Utilities.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};}
else
{Utilities.Node=Utilities.Window.Node;}
Utilities.Browser={init:function(){this.browser=this.searchString(this.dataBrowser)||"An unknown browser";this.version=this.searchVersion(Utilities.Window.navigator.userAgent)||this.searchVersion(Utilities.Window.navigator.appVersion)||"an unknown version";this.OS=this.searchString(this.dataOS)||"an unknown OS";this.isOpera=this.browser=="Opera";this.isMozilla=this.browser=="Firefox"||this.browser=="Mozilla"||this.browser=="Netscape";this.isSafari=this.browser=="Safari";this.isIE=this.browser=="Internet Explorer";this.isiCab=this.browser=="iCab";this.isMac=this.OS=="Mac";this.isWin=this.OS=="Windows";this.isLinux=this.OS=="Linux";this.tested_intra=false;if(this.browser=="Firefox"&&parseFloat(this.version)>=1.5)this.tested_intra=true;else if(this.browser=="Safari"&&parseInt(this.version)>=412)this.tested_intra=true;else if(this.browser=="AppleWebKit/KHTML"&&parseInt(this.version)>=418)this.tested_intra=true;else if(this.browser=="SeaMonkey"&&parseFloat(this.version)>=1)this.tested_intra=true;else if(this.browser=="Camino"&&parseInt(this.version)>=1)this.tested_intra=true;this.tested_inter=this.tested_intra;if(this.browser=="Internet Explorer"&&parseInt(this.version)>=6)this.tested_inter=true;else if(this.browser=="Opera"&&parseInt(this.version)>=9)this.tested_inter=true;else if(this.browser=="OmniWeb"&&parseInt(this.version)>=607)this.tested_inter=true;else if(this.browser=="iCab"&&parseInt(this.version)>=3)this.tested_inter=true;else if(this.browser=="Netscape"&&parseInt(this.version)>=8)this.tested_inter=true;var isCMS=(typeof _isCMS=="boolean")?_isCMS:false;if(isCMS&&!this.tested_intra)Utilities.Window.location="http://journalism.indiana.edu/apps/browser_check/";},searchString:function(data){for(var i=0;i<data.length;i++)
{var dataString=data[i].string;var dataProp=data[i].prop;this.versionSearchString=data[i].versionSearch||data[i].identity;if(dataString)
{if(dataString.indexOf(data[i].subString)!=-1)
return data[i].identity;}
else if(dataProp)
return data[i].identity;}
return"";},searchVersion:function(dataString){var index=dataString.indexOf(this.versionSearchString);if(index==-1)return"";var tmp=dataString.substring(index+this.versionSearchString.length+1);index=tmp.search(/[^\.0-9]/);if(index==-1)
return tmp;return tmp.substring(0,index);},dataBrowser:[{string:Utilities.Window.navigator.userAgent,subString:"MSIE",identity:"Internet Explorer",versionSearch:"MSIE"},{string:Utilities.Window.navigator.vendor,subString:"Apple",identity:"Safari"},{string:Utilities.Window.navigator.vendor,subString:"KDE",identity:"Konqueror"},{string:Utilities.Window.navigator.userAgent,subString:"OmniWeb",versionSearch:"OmniWeb/",identity:"OmniWeb"},{string:Utilities.Window.navigator.userAgent,subString:"AppleWebKit",versionSearch:"AppleWebKit",identity:"AppleWebKit/KHTML"},{string:Utilities.Window.navigator.userAgent,subString:"Firefox",identity:"Firefox"},{string:Utilities.Window.navigator.vendor,subString:"Camino",identity:"Camino"},{string:Utilities.Window.navigator.userAgent,subString:"iCab",identity:"iCab"},{string:Utilities.Window.navigator.userAgent,subString:"Netscape",identity:"Netscape"},{string:Utilities.Window.navigator.userAgent,subString:"SeaMonkey",identity:"SeaMonkey"},{string:Utilities.Window.navigator.userAgent,subString:"Gecko",identity:"Mozilla",versionSearch:"rv"},{string:Utilities.Window.navigator.userAgent,subString:"Mozilla",identity:"Netscape",versionSearch:"Mozilla"},{prop:Utilities.Window.opera,identity:"Opera"},{string:Utilities.Window.navigator.vendor,subString:"iCab",identity:"iCab"}],dataOS:[{string:Utilities.Window.navigator.platform,subString:"Win",identity:"Windows"},{string:Utilities.Window.navigator.platform,subString:"Mac",identity:"Mac"}]};Utilities.Browser.init();Utilities.getWindowHeight=function(){var doc=Utilities.Window.document;if(self.innerHeight)
return self.innerHeight;else if(doc.documentElement&&doc.documentElement.clientHeight)
return doc.documentElement.clientHeight;else if(doc.body)
return doc.body.clientHeight;return 0;};Utilities.getWindowWidth=function(){var doc=Utilities.Window.document;if(self.innerWidth)
return self.innerWidth;else if(doc.documentElement&&doc.documentElement.clientWidth)
return doc.documentElement.clientWidth;else if(doc.body)
return doc.body.clientWidth;return 0;};Utilities.WindowTypeDimensions={"SmallX":"320","SmallY":"240","TallX":"320","TallY":"400","MidSmallX":"420","MidSmallY":"335","MediumX":"640","MediumY":"480","MediumTallY":"680","LargeX":"800","LargeY":"600","LargeTallY":"768","XlargeX":"1024","XlargeY":"768"};if(Utilities.Browser.isOpera)
{Utilities.WindowTypeDimensions.MidSmallY=(parseInt(Utilities.WindowTypeDimensions.MidSmallY)+21)+""}
Utilities.WindowType={"POPUP_FIXED_SMALL":"height="+Utilities.WindowTypeDimensions.SmallY+",width="+Utilities.WindowTypeDimensions.SmallX,"POPUP_FIXED_MIDSMALL":"height="+Utilities.WindowTypeDimensions.MidSmallY+",width="+Utilities.WindowTypeDimensions.MidSmallX,"POPUP_FIXED_TALL":"height="+Utilities.WindowTypeDimensions.TallY+",width="+Utilities.WindowTypeDimensions.TallX,"POPUP_FIXED_MEDIUM":"height="+Utilities.WindowTypeDimensions.MediumY+",width="+Utilities.WindowTypeDimensions.MediumX,"POPUP_FIXED_MEDIUM_TALL":"height="+Utilities.WindowTypeDimensions.MediumTallY+",width="+Utilities.WindowTypeDimensions.MediumX,"POPUP_FIXED_LARGE":"height="+Utilities.WindowTypeDimensions.LargeY+",width="+Utilities.WindowTypeDimensions.LargeX,"POPUP_FIXED_XLARGE":"height="+Utilities.WindowTypeDimensions.XlargeY+",width="+Utilities.WindowTypeDimensions.XlargeX,"POPUP_SMALL":"height="+Utilities.WindowTypeDimensions.SmallY+",width="+Utilities.WindowTypeDimensions.SmallX+",resizable","POPUP_MIDSMALL":"height="+Utilities.WindowTypeDimensions.MidSmallY+",width="+Utilities.WindowTypeDimensions.MidSmallX+",resizable","POPUP_TALL":"height="+Utilities.WindowTypeDimensions.TallY+",width="+Utilities.WindowTypeDimensions.TallX+",resizable","POPUP_MEDIUM":"height="+Utilities.WindowTypeDimensions.MediumY+",width="+Utilities.WindowTypeDimensions.MediumX+",resizable","POPUP_MEDIUM_TALL":"height="+Utilities.WindowTypeDimensions.MediumTallY+",width="+Utilities.WindowTypeDimensions.MediumX+",resizable","POPUP_LARGE":"height="+Utilities.WindowTypeDimensions.LargeY+",width="+Utilities.WindowTypeDimensions.LargeX+",resizable","POPUP_LARGE_TALL":"height="+Utilities.WindowTypeDimensions.LargeTallY+",width="+Utilities.WindowTypeDimensions.LargeX+",resizable","POPUP_XLARGE":"height="+Utilities.WindowTypeDimensions.XlargeY+",width="+Utilities.WindowTypeDimensions.XlargeX+",resizable","POPUP_FIXED_SMALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.SmallY+",width="+Utilities.WindowTypeDimensions.SmallX+",scrollbars","POPUP_FIXED_MIDSMALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.MidSmallY+",width="+Utilities.WindowTypeDimensions.MidSmallX+",scrollbars","POPUP_FIXED_TALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.TallY+",width="+Utilities.WindowTypeDimensions.TallX+",scrollbars","POPUP_FIXED_MEDIUM_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.MediumY+",width="+Utilities.WindowTypeDimensions.MediumX+",scrollbars","POPUP_FIXED_MEDIUM_TALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.MediumTallY+",width="+Utilities.WindowTypeDimensions.MediumX+",scrollbars","POPUP_FIXED_LARGE_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.LargeY+",width="+Utilities.WindowTypeDimensions.LargeX+",scrollbars","POPUP_FIXED_XLARGE_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.XlargeY+",width="+Utilities.WindowTypeDimensions.XlargeX+",scrollbars","POPUP_SMALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.SmallY+",width="+Utilities.WindowTypeDimensions.SmallX+",resizable,scrollbars","POPUP_MIDSMALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.MidSmallY+",width="+Utilities.WindowTypeDimensions.MidSmallX+",resizable,scrollbars","POPUP_TALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.TallY+",width="+Utilities.WindowTypeDimensions.TallX+",resizable,scrollbars","POPUP_MEDIUM_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.MediumY+",width="+Utilities.WindowTypeDimensions.MediumX+",resizable,scrollbars","POPUP_MEDIUM_TALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.MediumTallY+",width="+Utilities.WindowTypeDimensions.MediumX+",resizable,scrollbars","POPUP_LARGE_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.LargeY+",width="+Utilities.WindowTypeDimensions.LargeX+",resizable,scrollbars","POPUP_LARGE_TALL_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.LargeTallY+",width="+Utilities.WindowTypeDimensions.LargeX+",resizable,scrollbars","POPUP_XLARGE_SCROLLBARS":"height="+Utilities.WindowTypeDimensions.XlargeY+",width="+Utilities.WindowTypeDimensions.XlargeX+",resizable,scrollbars"};Utilities.openNewWindow=function(_url,_features,_name){var url=_url||"";var features=_features||"";var n=_name||"";n=n.replace(/^\s+/g,"").replace(/\s+$/g,"");if(n=="")
var n="n"+Utilities.generateIDNumber();var win=Utilities.Window.open(url,n,features,false);if(win==null)
{if(Utilities.Window.confirm("I couldn't open the link in a new window; should I load it in main window?"))
Utilities.Window.location.href=url;else
return win;}
else
{return win;}
return null;};Utilities.getHTTPObject=function(){if(Utilities.Window.XMLHttpRequest)
{try{return new XMLHttpRequest();}catch(e){return null;}}
else if(Utilities.Window.ActiveXObject)
{try{return new ActiveXObject("Microsoft.XMLHTTP");}catch(e){return null;}}
else return null;};Utilities.HttpRequest=function(obj){this.error=false;this.message="";this.defaultErrorResponse=function(response){var doc=Utilities.Window.document;if(Utilities.useDHTMLWindows)
{var error=doc.createElement("span");if(response&&response!="")
{error.appendChild(doc.createTextNode(response));}
Utilities.alertWindow({message:error});}
else
{var error="There was an error processing the response.\n";error+=obj.errorString?obj.errorString:"";error+=(!response||response=="")?"":"\nResponse: "+response;Utilities.alertWindow(error);}};if(!obj.URL||typeof obj.URL!="string")
{this.error=true;this.message="The given URL is invalid.";}
var processAsynchronously=true;if(obj.synchronous)
processAsynchronously=false;if(obj.username||obj.password)
{this.username=obj.username||"";this.password=obj.password||"";}
var processXML=false;if(obj.processXML)
processXML=true;var returnHttpObj=false;if(obj.returnHttpObj)
returnHttpObj=true;obj.defaultErrorResponse=this.defaultErrorResponse;if(!obj.onSuccess)
obj.onSuccess=function(){};if(!obj.onFailure)
obj.onFailure=function(){};if(obj.holder)
this.holder=obj.holder;this.http=null;obj.showWaitWindow=(typeof obj.showWaitWindow=="undefined")?false:(Utilities.useDHTMLWindows?obj.showWaitWindow:false);if(obj.showWaitWindow)
obj.waitWindow=null;var http=Utilities.getHTTPObject();if(http==null)
{this.error=true;this.message="Unable to create XMLHttpRequest object.";}
this.http=http;this.attemptRequest=function(){try
{if(obj.showWaitWindow)
{var doc=Utilities.Window.document;var waitWindowContent=doc.createElement("table");var tbody=doc.createElement("tbody");var tr=doc.createElement("tr");var td=doc.createElement("td");td.style.textAlign="left";td.appendChild(doc.createTextNode(obj.waitWindowMessage?obj.waitWindowMessage:"Please wait..."));tr.appendChild(td);var transferInterrupt=doc.createElement("input");transferInterrupt.setAttribute("type","button");transferInterrupt.value="Abort";Utilities.addEventHandler(transferInterrupt,"click",function(){http.abort();DHTMLWindow.closeDHTMLWindow(obj.waitWindow);});td=Utilities.Window.document.createElement("td");td.style.textAlign="right";td.appendChild(transferInterrupt);tr.appendChild(td);tbody.appendChild(tr);waitWindowContent.appendChild(tbody);waitWindowContent.style.width="100%";obj.waitWindow=DHTMLWindow.alertWindow({message:waitWindowContent});}
var _sendHandler=function(httpObj){if(httpObj.status!=200)
{var httpResponse=processXML?httpObj.responseXML:httpObj.responseText;obj.onFailure(httpResponse);}
else
{var httpResponse=processXML?httpObj.responseXML:httpObj.responseText;obj.onSuccess(httpResponse);}
if(obj.showWaitWindow&&Utilities.useDHTMLWindows)
DHTMLWindow.closeDHTMLWindow(obj.waitWindow);};if(this.username)
http.open("GET",obj.URL,processAsynchronously,this.username,this.password);else
http.open("GET",obj.URL,processAsynchronously);http.setRequestHeader("If-Modified-Since","Sat, 1 Jan 2000 00:00:00 GMT");http.onreadystatechange=function(){if(!obj.synchronous&&http.readyState==4)_sendHandler(http);}
http.send(null);if(obj.synchronous)_sendHandler(http);}
catch(e)
{this.error=true;this.message="Unable to connect.";return;}};if(!obj.manualRequest)
this.attemptRequest();if(this.error)
Utilities.alertWindow(this.message);};Utilities.addEventHandler=function(el,eventType,f){if(el.addEventListener)
{el.addEventListener(eventType,f,false);}
else if(el.attachEvent)
{el["e"+eventType+f]=f;el[eventType+f]=function(){el["e"+eventType+f](Utilities.Window.event);}
el.attachEvent("on"+eventType,el[eventType+f]);}};Utilities.removeEventHandler=function(el,eventType,f){if(el.removeEventListener)
{el.removeEventListener(eventType,f,false);}
else if(el.detachEvent)
{el.detachEvent("on"+eventType,el[eventType+f]);el[eventType+f]=null;el["e"+eventType+f]=null;}};Utilities.cancelEventPropagation=function(e){if(!e)
{var _e=window.event;_e.cancelBubble=true;}
else if(e.stopPropagation)
{e.stopPropagation();}};Utilities.addClass=function(el,className){if(el.className=="")
el.className=className;else
el.className+=" "+className;};Utilities.removeClass=function(el,className){if(el.className==className)
{el.className="";}
else
{var regex=new RegExp("(\\W+)"+className+"\\W+","g");el.className=el.className.replace(regex,"$1");regex=new RegExp("^"+className+"\\W+","g");el.className=el.className.replace(regex,"");regex=new RegExp("\\W+"+className+"$","g");el.className=el.className.replace(regex,"");}};Utilities.hasClass=function(el,className){if(el==null)return false;var classes=el.className.replace(/\s+/g," ").split(" ");for(var i=0;i<classes.length;i++)
if(classes[i]==className)return true;return false;};Utilities.getElements=function(_rootNode,_nodeType,_comparator){var rootNode=_rootNode||Utilities.Window.document.body;var nType=isNaN(parseInt(_nodeType))||Utilities.Node.ELEMENT_NODE;var comparator=_comparator||null;var elArray=new Array();var r=rootNode,n=null,tmpAttr="";do
{n=r.firstChild;if(n==null)
{if(r.nodeType==nType)
{if(comparator&&comparator(r))
elArray.push(r);else if(comparator==null)
elArray.push(r);}
n=r.nextSibling;}
if(n==null)
{var tmp=r;do
{n=tmp.parentNode;if(n==rootNode)break;if(n.nodeType==nType)
{if(comparator&&comparator(n))
elArray.push(n);else if(comparator==null)
elArray.push(n);tmp=n;n=n.nextSibling;}}while(n==null);}
r=n;}while(r!=rootNode);return elArray;};Utilities.useDHTMLWindows=false;Utilities.dontPrintCSS="dontPrint";Utilities.alertWindow=function(_a){var a=(_a.message)?_a.message:_a;Utilities.Window.alert(a);return null;};Utilities.addEventHandler(Utilities.Window,"load",function(){Utilities.WindowType.FULL="height="+Utilities.getWindowHeight()+",location,menubar,resizable,scrollbars,status,toolbar,width="+Utilities.getWindowWidth();Utilities.useDHTMLWindows=typeof DHTMLWindow!="undefined";if(Utilities.useDHTMLWindows)
{Utilities.alertWindow=function(a){var win=DHTMLWindow.alertWindow(a);return win;};}});
function write_font_size()
{
	Utilities.Window.document.write("<div id=\"fontSize\"><a id=\"increase\" href=\"#\" onclick=\"increaseContentFontSize();return false;\" title=\"Increase text size\"></a> <a id=\"decrease\" href=\"#\" onclick=\"decreaseContentFontSize();return false;\" title=\"Decrease text size\"></a>text size&nbsp;</div>");
}

function setContentFontSize(size)
{
	var items = Utilities.getElements(Utilities.Window.document.getElementById("content"),Utilities.Node.ELEMENT_NODE,function (el) {
		return el.tagName.toLowerCase()=="div" && Utilities.hasClass(el,"post");
	});
	for(var i=items.length-1; i>=0; i--)
		if(items[i])
			items[i].style.fontSize = size + "em";
}

var _currentSize = Number.MIN_VALUE;
function increaseContentFontSize()
{
	if(_currentSize<0.9)
	{
		_currentSize = 0.9;
		setContentFontSize(0.9);
	}
	else if(_currentSize<1.4)
	{
		_currentSize = 1.4;
		setContentFontSize(1.4);
	}
}

function decreaseContentFontSize()
{
	if(_currentSize>0.9)
	{
		_currentSize = 0.9;
		setContentFontSize(0.9);
	}
	else if(_currentSize<=0.9)
	{
		_currentSize = 0.8;
		setContentFontSize(0.8);
	}
}

function toggleComments(link)
{
	var comments = Utilities.Window.document.getElementById("allComments");
	if(comments)
	{
		if(comments.style.display=="none")
		{
			comments.style.display = "block";
			link.firstChild.nodeValue = "(hide)";
		}
		else
		{
			comments.style.display = "none";
			link.firstChild.nodeValue = "(show)";
		}
	}
}