if (window.ActiveXObject && !window.XMLHttpRequest) {
	window.XMLHttpRequest = function() {
		var msxmls = new Array('Msxml2.XMLHTTP.5.0','Msxml2.XMLHTTP.4.0','Msxml2.XMLHTTP.3.0','Msxml2.XMLHTTP','Microsoft.XMLHTTP');
		for (var i = 0; i < msxmls.length; i++) { 
			try { return new ActiveXObject(msxmls[i]); } catch (e) { }
		}
		return null;
	};
}

var angelevent = new Object();
angelevent.register = function(id, context, func) {
  if (!angelevent[context]) { angelevent[context] = new Object(); }
  if (angelevent[context][id]) { angelevent[context][id]=null; }
  angelevent[context][id]=func;
}
angelevent.unregister = function(id, context) {
  if (angelevent[context] && angelevent[context][id]) { angelevent[context][id]=null; }
}
angelevent.raise = function(context, src) {
  if (!angelevent[context]) { return; }
  for (var x in angelevent[context]) {
    angelevent[context][x](src);
  }
}

function replacePageTokens(win) { 
  //Attempt Token Replacement
  if (garrTokens && garrTokenValues && validTokenPage(win)) { 
	try { replaceTokens(win, -1) } catch (e) { }
  }
}

function checkForm() {
    var nElements = 0;
	var f = null;
	var iframe = frames["AngelContent"];
	
	if (typeof(envVarConfirmAbandon) != "undefined" && envVarConfirmAbandon == "True")
	{ 
	    try {
		    if (iframe.blnConfirmAbandon == null || (iframe.blnConfirmAbandon == true)) { 
		        for (x=0; x < iframe.document.forms.length; x++) {
				    nElements = 0;
				    for (y=0; y < iframe.document.forms[x].elements.length; y++) {
					    switch (iframe.document.forms[x].elements[y].type) {
						    case 'text':
							    nElements += 8;
							    break;
						    case 'textarea':
							    nElements += 16;
							    break;
						    case 'radio':
							    nElements += 1;
							    break;
						    case 'checkbox':
							    nElements += 2;
							    break;
						    case 'select':
							    nElements += 3;
							    break;
					    }
					    if (nElements >= 15) {
	                        if (iframe.blnIsDropBoxMsg && !iframe.blnAttachments && typeof(unsavedChangesAttachment) != "undefined" && unsavedChangesAttachment) {
	                            return confirm(unsavedChangesAttachment);
	                        } else if (typeof(unsavedChanges) != "undefined" && unsavedChanges) {
						        return confirm(unsavedChanges);
						    }
					    }
				    }
			    }
		    }
		    var frame;
    		
		    if (iframe.document.frames) {
		        frame = iframe.document.frames
		    } else {
		        frame = iframe.frames
		    }
		    
		    for (z=0; z<frame.length; z++) { 
			        try {
				        var f = frame[z]; 
				        if (f.blnConfirmAbandon == null || f.blnConfirmAbandon == true) { 
				        
        				    for (x=0; x < f.document.forms.length; x++) {
        				        if (f.document.getElementById("threads") != null)
        				        {
        				            var threadsdivs = f.document.getElementById("threads").getElementsByTagName("div");
        				            if (threadsdivs[0].className != "newTopic" && threadsdivs[0].className != "reply")
        				            {
        				                return true;
        				            }
        				        }
        				        nElements = 0;
					            for (y=0; y < f.document.forms[x].elements.length; y++) {
						            switch (f.document.forms[x].elements[y].type) {
							            case 'text':
								            nElements += 8;
								            break;
							            case 'textarea':
								            nElements += 16;
								            break;
							            case 'radio':
								            nElements += 1;
								            break;
							            case 'checkbox':
								            nElements += 2;
								            break;
							            case 'select':
								            nElements += 3;
								            break;
						            }
    						        
						            if (nElements >= 15) {
						                if (f.blnIsDropBoxMsg && !f.blnAttachments && typeof(unsavedChangesAttachment) != "undefined" && unsavedChangesAttachment) {
				    		                    return confirm(unsavedChangesAttachment);
					                    } else if (typeof(unsavedChanges) != "undefined" && unsavedChanges) {
		            		                    return confirm(unsavedChanges);
					                    }
						            }
					            }
					        }
				        }
			        } catch(e) {}
		        }
    		
	    } catch(e) {}
	}
	return true;
}

/***********************************************************************
* ANGEL Object
***********************************************************************/

if (!window.ANGEL) { window.ANGEL = {}; } 

if (!ANGEL.lang) { ANGEL.lang = {}; }

if (!ANGEL.config) { ANGEL.config = {}; }

if (!ANGEL._modal) { ANGEL._modal = new DialogManager(); }

if (!ANGEL.ui) { ANGEL.ui = {}; }

/***********************************************************************
* UI Layout Manager
***********************************************************************/
ANGEL.ui.onResize = function(bCond) 
{
    var d = YAHOO.util.Dom;
    var h = d.getViewportHeight();
    var w = d.getViewportWidth();
	var f = (d.get("fontsizer"))?d.get("fontsizer").offsetHeight:0;

    //we need to do special handling for IE 6 and below, otherwise it crops the bottom
	var temp=(navigator && navigator.appVersion)?navigator.appVersion.split("MSIE"):null;
	var nAddedPadding = (temp && temp[1] && parseFloat(temp[1])<7)?5:1;

    if (!bCond || !window._lastH || !window._lastW || h!=window._lastH || w!=window._lastW || f!=window._lastFont) {
		try {
			var ph = d.get("pageHeader");
			var sb = d.get("pageSidebar");
			var pb = d.get("pageBody");
			var pf = d.get("pageFooter");
			var gm = d.get("guideMenu");
			var gn = d.get("globalNav");
			var gmH = (gm)?gm.offsetHeight:0;
			//grow page body div to fill space not used by header
			d.setStyle(pb, "height", (h - nAddedPadding - ph.offsetHeight) + 'px')
			//adjust left margin on main area to make room for sidebar
			if (d.hasClass("page", "sidebarOn"))
				d.setStyle("pageMain", "marginLeft", (sb.offsetWidth) + 'px');
			else
				d.setStyle("pageMain", "marginLeft", (gn.offsetLeft + gn.offsetWidth + 5) + 'px');
			//resize contentWin to make room for footer beneath it
			d.setStyle("contentWin", "height", (pb.offsetHeight - nAddedPadding - pf.offsetHeight) + 'px');
			//resize tocWin to make room for link menu beneath it
			d.setStyle("guideWin", "height", (pb.offsetHeight - gmH - 4) + 'px');
			//always put identity at bottom left of page header
			d.setStyle("identityWidget", "top", (ph.offsetHeight) + 'px');
			//save the new width and height for use in later conditional resize logic
			if (bCond) {
				window._lastH=h;
				window._lastW=w;
				window._lastFont=f;
			}
		} catch(e) { }
	}
}

/***********************************************************************
* UI Initialization function
***********************************************************************/
ANGEL.ui.init = function() 
{

	if (!window.ANGEL) { window.ANGEL={}; } 

	//get a ref to the sidebar window
	var sb = (document.frames&&document.frames['AngelMenu'])?document.frames['AngelMenu']:document.getElementById('guideWin');
	if (sb && sb.contentWindow) { sb=sb.contentWindow; }
	ANGEL.ui.sidebar.window = sb;

    var gm = document.getElementById("guideMenu");
	var links = (gm)?gm.getElementsByTagName("a"):null; 
    if (!links) {
		//hide toggle if no sidebar menu
		if (document.getElementById("guideToggle") != null)
		{
		    document.getElementById("guideToggle").style.display = "none";
		}
	}

	 ANGEL.sessionTimer.reset();
}

/***********************************************************************
* Main Area
***********************************************************************/
ANGEL.ui.main = { 
	win:null, 
	frames:null, 
	frameset:null, 
	banner:null, 
	onLoad:function(src){
      ANGEL.ui.main.win = src;
	  try {
		//set lastAccess date for session keep-alive on any type of access 
		ANGEL.sessionTimer.updateLastAccess();
		//if this page is part of ANGEL then replace tokens and update breadcrumbs
		if (src&&src.document&&src.document.location&&src.document.location.href) {
			//try to replace tokens 
			replacePageTokens(src); 
			//check for contentFrame IFRAME
			var iframe = src.document.getElementById("contentFrame");
			if (iframe && iframe.contentWindow)
			{
				replacePageTokens(iframe.contentWindow);
			}
			else
			{
				//if this is a framed page then try to replace tokens in sub frames
				var frames = (src.document.frames)?src.document.frames:src.document.documentElement.getElementsByTagName("frame");
				for (var x=0; x<frames.length; x++)
					try { replacePageTokens(frames[x]); } catch(e) { } 
			}
			//try to update breadcrumbs
			ANGEL.ui.bc.update(src);
		}
	  } catch (e) { }
	}
};

/***********************************************************************
* Breadcrumbs Manager
***********************************************************************/
ANGEL.ui.bc = {
	links:[],

	staticItems:null,

	write:function(menu, breadcrumbArray){
	    var lis = menu.getElementsByTagName("li");
		if (ANGEL.ui.bc.staticItems===null) { ANGEL.ui.bc.staticItems = lis.length; }
		var nNumItems = lis.length;
		for (var x=nNumItems-1; x>=ANGEL.ui.bc.staticItems; x--)
		{
			menu.removeChild(lis[x]);
		}
		
		// make sure all anchors use the onclick attribute
		var anchors = menu.getElementsByTagName("a");
		
		for (var i = 0; i < anchors.length; i++)
		{
		    if (anchors[i].onclick == null)
		    {
		        anchors[i].parentNode.innerHTML = anchors[i].parentNode.innerHTML.replace("<a", "<a onclick=\"return checkForm();\"");
		        anchors[i].parentNode.innerHTML = anchors[i].parentNode.innerHTML.replace("<A", "<A onclick=\"return checkForm();\"");
		    }
		}
		
		//now add in the breadcrumbs in the array
		for (var x=0; x < breadcrumbArray.length; x++) {
			var bc = breadcrumbArray[x];
			var lnk = document.createElement("a");
			lnk.id = "bc" + bc.id;
			lnk.setAttribute("target", bc.target);
			lnk.setAttribute("href", bc.url);
			lnk.setAttribute("match", bc.match);
			//lnk.onclick = "return checkForm();";
			//lnk.setAttribute("onclick", "return checkForm();");
			lnk.appendChild(document.createTextNode(bc.title + "\xa0"));
			var li = document.createElement("li");
			li.appendChild(lnk);
			li.innerHTML = li.innerHTML.replace("<a", "<a onclick=\"return checkForm();\"");
			li.innerHTML = li.innerHTML.replace("<A", "<A onclick=\"return checkForm();\"");
			menu.appendChild(li);
		}
	},

	normalize:function(sUrl){
		var s = sUrl;
		if (s.indexOf("?")==-1) {
			return s;
		} else {
			var sBase = ""
		}
	},

	base:function(sUrl, bSkipRemovePageName){
		s=""+sUrl;
		s=s.replace(/\?.*$/,"");
		s=s.replace(/\#.*$/,"");
		if(!bSkipRemovePageName)
		{
			s=s.replace(/default\.aspx?/i,"");
		}
		//s=s.toLowerCase();
		return s;
	},

	servername:function(sUrl){
		s=ANGEL.ui.bc.base(""+sUrl, false);
		s=(s.match(/^.*\/\/([^\/]*).*$/))?s.replace(/^.*\/\/([^\/]*).*$/gi,"$1"):"";
		return s;
	},

	path:function(sUrl, bSkipRemovePageName){
		s = ANGEL.ui.bc.base(""+sUrl, bSkipRemovePageName);
		s = s.replace(/^.*\/\/[^\/]*/gi,"");
		return s;
	},

	query:function(sUrl){
		s=""+sUrl;
		if (s.indexOf("?")==-1)
			return "";
		s=s.replace(/^.*\?/,"");
		var arr=s.split("&");
		arr=arr.sort();
		for (var x=0;x<arr.length;x++) {
			var p=arr[x].split("=");
			p[0]=p[0].toLowerCase();
			arr[x]=p.join("=");
		}
		return "?"+arr.join("&");
	},

	hash:function(sUrl){
		s=""+sUrl;
		if (s.indexOf("#")==-1)
			return "";
		s=s.replace(/^.*#/,"#");
		s=s.replace(/\?.*$/,"");
		return s;
	},

	normalize:function(sUrl, bExact, bSkipRemovePageName){
		var s=""+sUrl;
		s=(s.toLowerCase().indexOf("/"+location.hostname.toLowerCase()+"/")!=-1)?ANGEL.ui.bc.path("" + sUrl, bSkipRemovePageName):ANGEL.ui.bc.base("" + sUrl, bSkipRemovePageName);
		if (bExact)
			s+=ANGEL.ui.bc.hash(""+sUrl) + ANGEL.ui.bc.query(""+sUrl);
		//alert("normalize\nin="+sUrl+"\nout="+s);
		return s;
	},

	formatTitle:function(sTitle){
		return (sTitle.indexOf(":")!=-1)?sTitle.substr(0,sTitle.indexOf(":")):sTitle;
	},

    removeGroup:function(groupName){
        for(var i = 0; i < ANGEL.ui.bc.links.length; i++) {
            if(ANGEL.ui.bc.links[i].groupName == groupName) {
                ANGEL.ui.bc.links.splice(i,1);
                i--;
            }
        }
        ANGEL.ui.bc.write(document.getElementById("breadcrumbMenu"),ANGEL.ui.bc.links);
    },
    
	update:function(src){
	    var bc=ANGEL.ui.bc;
		var bodyBreadcrumbFalse = false;
		var idx = 0;
		var de=(src.document.documentElement)?src.document.documentElement:src.document;
		//SPECIAL CASE VARIABLES:
		//The gstrBreadcrumbRootTruncateOverload can be added to a page to prevent truncating 
		//on all root nodes.  One example is Add Content->Copy Item since Copy Item page is
		//still ROOT entry_id.
		var skipRootTruncate = (src.gstrBreadcrumbRootTruncateOverload)?src.gstrBreadcrumbRootTruncateOverload:false;	
		//The gstrBreadcrumbRemovePageNameOverload can be added to a page so the breadcrumb 
		//generated will not remove the page name (ex:default.aspx). This was needed for At A Glance
		//nugget since the crumb generated when clicked no longer autoran even though autorun was set in querystring.
		var skipRemovePageName = (src.gstrBreadcrumbRemovePageNameOverload)?src.gstrBreadcrumbRemovePageNameOverload:false;
		//The gstrBreadcrumbPathOverload can be added to a page to override where the breadcrumb takes you 
		//when clicked. Just set its value to the path. Office hours and Calendar Events share recurrence 
		//editor so we use it there.
		var overloadPath = (src.gstrBreadcrumbPathOverload)?src.gstrBreadcrumbPathOverload:"";
		if(src.lsn_page != undefined)
		{
			de = src.lsn_page.document.documentElement;
		}
		var bHasBody = (de && de.getElementsByTagName("body").length)?true:false;
		var b=(de && de.getElementsByTagName("body").length)?de.getElementsByTagName("body")[0]:null;
		if ((!b || b.getAttribute('breadcrumb')=='false'))
			bodyBreadcrumbFalse = true;
		if (src.gstrFinalWCI) {
			if(src.gstrWCI == 'PGADD')
				bodyBreadcrumbFalse = true;
			if (!b || ((b.getAttribute('breadcrumb')=='notAtRoot')&&src.gstrEntryID=='ROOT'))
				bodyBreadcrumbFalse = true;
			var sTitle=(src.gstrEntryTitle!="")?src.gstrEntryTitle:bc.formatTitle(src.document.title);
			if (sTitle=="")
				sTitle = "Untitled"
			var sHref=""+src.gstrScriptURL + "&entry_id="+escape(""+src.gstrEntryID);
			var sBase=sHref;
			var sTab = 'tabContent';
			var sParent=""+src.gstrParentID;
			var bLinkedItem=(src.gstrEntrySection!=src.gstrSectionID)?true:false;
			//if root then truncate breadcrumbs
			if (src.gstrEntryID==src.gstrRootID) {
				if(!skipRootTruncate)
				{
					bc.links.length=0;
					sHref=""+src.gstrScriptURL;
					sParent="";
				}
			} else {
				//search for shortcuts and truncate
				if (!bLinkedItem) {
					for (idx=bc.links.length-1;idx>=0;idx--)
						if (bc.links[idx].linkedItem)
							bc.links.length=idx;
				
					//search for sibling or self and truncate
					for (idx=bc.links.length-1;idx>=0;idx--)
						if (src.gstrParentID==bc.links[idx].parent&&!bodyBreadcrumbFalse)
							bc.links.length=idx;
				}
				else
				{
					for (idx=bc.links.length-1;idx>=0;idx--)
						if(bc.links[idx].linkedItem&&src.gstrParentID==bc.links[idx].parent&&!bodyBreadcrumbFalse)
							bc.links.length=idx;
				}
			}
		} else {
			//Get the Href
			try {
				var sTitle=bc.formatTitle(src.document.title);
				if (sTitle=="")
					sTitle = "Untitled"
				var sHref=bc.normalize((overloadPath != "")?overloadPath:src.document.location.href, true, skipRemovePageName);
				var sBase=bc.normalize(sHref, false, skipRemovePageName);
				var b=(de && de.getElementsByTagName("body").length)?de.getElementsByTagName("body")[0]:null;
				var sTab='';//(b)?""+b.getAttribute("tab"):""+de.getAttribute("tab");
				var sParent="";
				var bLinkedItem=false;
				var sTest=bc.normalize(sHref,false, skipRemovePageName);
				var sBaseLowerCase = sBase.toLowerCase();
				//now search existing breadcrumbs for a match and truncate to the item before the match if found
				for (idx=0;idx<bc.links.length;idx++) {
					if ((bc.normalize(bc.links[idx].url,false, skipRemovePageName).toLowerCase()==sBaseLowerCase)&&(sTitle==bc.links[idx].title)) {
						bc.links.length=idx;
						break;
					}
				}
				
				//Mimics same functionality as root content items, but for non-content item pages.  Just put var called gstrRootID 
				//set to "ROOT" on page and it will truncate all dynamic breadcrumbs.
				if(src.gstrRootID == "ROOT") {
				    ANGEL.ui.bc.links.length = 0;
				}
				
			} catch(e) {
				alert('error');
				return;
			}
		}
		//check if this is a tab entry and truncate
		for (var t in ANGEL.tabs) { 
			if (bc.normalize(sHref, true, false)==bc.normalize(ANGEL.tabs[t].url,true, false)) { 
				if (sTab=="")
					sTab=""+t;
				ANGEL.ui.bc.links.length=0;
			} 
		}
		//set tab if explicitly defined
		if (sTab!="" && ANGEL.tabs[sTab])
			ANGEL.ui.tabmenu.selectTab(ANGEL.tabs[sTab].id);
		
		//set the index variable to 1 beyond the last item in the breadcrumb array
		idx=ANGEL.ui.bc.links.length;
		
		//add the item to the breadcrumb dictionary
		if ((!bodyBreadcrumbFalse)&&(bHasBody)) {
		    var groupName = "";
		    if(src.gstrBreadcrumbGroupName != undefined) {
		        groupName = src.gstrBreadcrumbGroupName;  
		    }
			bc.links[idx] = new bc.Breadcrumb(idx,sTitle,sHref,"","",false,sParent,bLinkedItem, groupName);
		}
		//attempt to update the breadcrumb display
		bc.write(document.getElementById("breadcrumbMenu"),bc.links);
		return idx;
	},

	Breadcrumb:function(sId, sTitle, sURL, sTarget, sAttributes, bExactMatch, sParentID, bLinkedItem, groupName){
		this.id=sId;
		this.title=sTitle;
		this.url=sURL;
		this.target=(sTarget)?sTarget:"";
		this.attributes=(sAttributes)?sAttributes:"";
		this.exactMatch=(bExactMatch)?true:false;
		this.parent = (sParentID)?sParentID:"";
		this.linkedItem=bLinkedItem;
		this.groupName = groupName;
		return this;
	}
};

/***********************************************************************
* User Menu Toggle
***********************************************************************/
ANGEL.ui.usermenu = {
	toggle:function(){
		if (YAHOO.util.Dom.getStyle("userLinks","display")!="none")
			ANGEL.ui.usermenu.hide();
		else
			ANGEL.ui.usermenu.show();
	},

	hide:function(){
		var anim_mn=new YAHOO.util.Anim("userLinks",{ opacity:{from:0.9,to:0}},0.2);
		anim_mn.animate();
		setTimeout('YAHOO.util.Dom.setStyle("userLinks","display","none");',200);
	},

	show:function(){
		var anim_mn=new YAHOO.util.Anim("userLinks",{opacity:{from:0,to:0.9}},0.2);
		anim_mn.animate();
		setTimeout('YAHOO.util.Dom.setStyle("userLinks","display","block");',5);
	}
};

/***********************************************************************
* Sidebar Toggle
***********************************************************************/
ANGEL.ui.sidebar = {
	toggle:function(){
		if (YAHOO.util.Dom.getStyle("pageGuide","display")!="none")
			ANGEL.ui.sidebar.hide();
		else
			ANGEL.ui.sidebar.show();
	},

	hide:function(bNoAnimation, sUrl){
		var d=YAHOO.util.Dom;
		var sb=d.get("pageSidebar");
		var mn=d.get("pageMain");
		var gn=d.get("globalNav");
		var gt=d.get("guideToggle");
		/* hide the sidebar long enough to determine its width when toc is cloased */
		var newWidth=gn.offsetLeft+gn.offsetWidth+5;
		if (bNoAnimation) {
			d.replaceClass("page","sidebarOn","sidebarOff");
			ANGEL.ui.onResize();
		} else {
			var anim_mn=new YAHOO.util.Anim("pageMain",{marginLeft:{from:sb.offsetWidth,to:newWidth}},0.2);
			anim_mn.onComplete.subscribe(function(){d.replaceClass("page","sidebarOn","sidebarOff");ANGEL.ui.onResize();});
			anim_mn.animate();
		}
		//change sidebar handle during transition
		setTimeout('YAHOO.util.Dom.replaceClass("guideToggle", "expanded", "collapsed")',0);
		//send command to update the sidebar env var
		var oXMLHTTP = new XMLHttpRequest;
		oXMLHTTP.open( "GET", ANGEL.config.root + "section/sidebar.asp?p_id=NONE&NOEXEC=1", true );
		try { oXMLHTTP.send(''); } catch(e) { }
	},

	show:function(bNoAnimation, sUrl){
		var d=YAHOO.util.Dom;
		var sb=d.get("pageSidebar");
		var mn=d.get("pageMain");
		var gm=d.get("guideMenu");
		var gmH=(gm)?gm.offsetHeight:0;
		var gt=d.get("guideToggle");
		var bIsOpen = d.hasClass("page","sidebarOn");
		if (sUrl && sUrl!='') {
			window.open(sUrl, "AngelMenu", "");
		}
		d.replaceClass("page","sidebarOff","sidebarOn");
		d.setStyle("tocWin","height",(d.get("pageBody").offsetHeight-gmH-8)+"px");
		d.setStyle(mn,"marginLeft",(sb.offsetLeft+sb.offsetWidth)+"px");
		ANGEL.ui.onResize();
		if (!bIsOpen && !bNoAnimation) {
			var anim_mn=new YAHOO.util.Anim("pageMain",{marginLeft:{from:mn.offsetLeft,to:sb.offsetWidth}},0.2);
			anim_mn.onComplete.subscribe(ANGEL.ui.onResize);
			anim_mn.animate();
		}
		//change sidebar handle during transition
		setTimeout('YAHOO.util.Dom.replaceClass("guideToggle","collapsed","expanded")',0);
	}
};

/***********************************************************************
* Banner Toggle
***********************************************************************/
ANGEL.ui.banner = {
	toggle:function(){
		if (document.getElementById("bannerToggle").className.indexOf("collapsed")==-1)
			ANGEL.ui.banner.hide();
		else
			ANGEL.ui.banner.show();
	},

	hide:function(){
		YAHOO.util.Dom.replaceClass("bannerToggle","expanded","collapsed");
		YAHOO.util.Dom.replaceClass("page","bannerOn","bannerOff");
		setTimeout('ANGEL.ui.onResize();',210);
	},

	show:function(){
		YAHOO.util.Dom.replaceClass("page","bannerOff","bannerOn");
		YAHOO.util.Dom.replaceClass("bannerToggle","collapsed","expanded");
		setTimeout('ANGEL.ui.onResize();',210);
	}
};

/***********************************************************************
* Tabs Manager
***********************************************************************/
ANGEL.ui.tabmenu = { 
	_tab:null,
	selectTab:function(theTab, sURL, sTarget) {
	    if (sURL && sURL!='') {
		    if (!checkForm()) { return false; }
		}
		//may accept either LI or A element of the tab as a parameter
		//if (!checkForm()) { return false; }
		if (!theTab || theTab.length==0) { return; }
		var li = (theTab && theTab.tagName)?theTab:document.getElementById(theTab);
		while (li && li.parentNode && li.tagName && li.tagName.toUpperCase()!="LI") { li = li.parentNode; }
		if (!li || !li.tagName || li.tagName.toUpperCase()!="LI") { return; }
		var a = (li.getElementsByTagName)?li.getElementsByTagName("A")[0]:null;
		if (!a) { return; }
		//update tab selection
		if (ANGEL.ui.tabmenu._tab&&a&&ANGEL.ui.tabmenu._tab!=a) {YAHOO.util.Dom.removeClass(ANGEL.ui.tabmenu._tab,"active");}
		ANGEL.ui.tabmenu._tab=a;
		if (a) {YAHOO.util.Dom.addClass(a,"active");}
		//navigate to tab url if second param is true
		if (sURL && sURL!='') {
			var target=(sTarget&&sTarget!='')?sTarget:(a.getAttribute("target")&&a.getAttribute("target")!='')?a.getAttribute("target"):"AngelContent";
			window.open(sURL,target);
		}
		return false;
	}
};

/***********************************************************************
* Session Timer
***********************************************************************/
ANGEL.sessionTimer = {
	lastAccess:new Date(),

	delay:900000,

	countdown:60000,

	timer:null,

	timerStarted:null,

	updateLastAccess:function(dDate){
		var dNow = new Date();
		if (dDate)
			ANGEL.sessionTimer.lastAccess = dDate;
		else if (dNow > ANGEL.sessionTimer.lastAccess)
			ANGEL.sessionTimer.lastAccess = dNow;
	},

	reset:function(){
		if (ANGEL.config && ANGEL.config.timeout)
			ANGEL.sessionTimer.delay=(parseInt(ANGEL.config.timeout)*60*1000)-(ANGEL.sessionTimer.countdown*2);
		if (ANGEL.sessionTimer.timer)
			clearTimeout(ANGEL.sessionTimer.timer);
		if (ANGEL.user && ANGEL.user.username!='')
		{
			ANGEL.sessionTimer.timerStarted = new Date();
			//alert('delay='+ANGEL.sessionTimer.delay+'\ntimerStarted='+ANGEL.sessionTimer.timerStarted);
			ANGEL.sessionTimer.timer = setTimeout(ANGEL.sessionTimer.fire,ANGEL.sessionTimer.delay);
		}
	},

	warn:function(){
		if (ANGEL.user && ANGEL.user.username!='' && ANGEL.config && ANGEL.config.timeout)
		{
			ANGEL._modal.alert(ANGEL.lang["InactivePrompt"], "warn", ANGEL.lang["TimeoutWarning"], function() { ANGEL.sessionTimer.extendSession(); }, {lblOK:ANGEL.lang["ExtendMySession"]});
			//set timer for auto-logoff if no response
			ANGEL.sessionTimer.timer=setTimeout(ANGEL.sessionTimer.endSession, ANGEL.sessionTimer.countdown);
		}
	},

	fire:function(){
		if (ANGEL.user && ANGEL.user.username!='' && ANGEL.config && ANGEL.config.timeout)
		{
			var nDiff = ANGEL.sessionTimer.lastAccess.getTime()-ANGEL.sessionTimer.timerStarted.getTime()
			//alert('timerStarted='+ANGEL.sessionTimer.timerStarted+'\nlastAccess='+ANGEL.sessionTimer.lastAccess+'\ndiff='+nDiff);
			if (nDiff < 30000)
				ANGEL.sessionTimer.warn();
			else
				ANGEL.sessionTimer.extendSession();
		}
	},

	endSession:function(bConfirm){
		if (typeof(bConfirm)!='boolean' || !bConfirm || confirm(ANGEL.lang['LogoutPrompt'])) {
			//set up to call old school logout method in 5 secs just in case ajax does not work
			setTimeout( function() { document.location.replace(ANGEL.config.root+"signon/logout.asp"); }, 10000);
			//use ajax to call logout page then reload the interface, so we bypass the logout page in the UI
			YAHOO.util.Connect.asyncRequest("GET", ANGEL.config.root+"signon/logout.asp", {success:function() { document.location.replace(ANGEL.config.root); } });
		}
	},

	extendSession:function(){
		//ANGEL.sessionTimer.lastAccess = new Date();
		var cb = { success:ANGEL.sessionTimer.reset, failure:function(x){alert(ANGEL.lang["ErrorAPIConnect"]);} }
		YAHOO.util.Connect.asyncRequest("GET", ANGEL.config.api+"?APIAction=SESSION_INFO", cb);
		YAHOO.util.Connect.asyncRequest("GET", ANGEL.config.root+"ping.aspx", {failure:function(x){alert(ANGEL.lang["ErrorAPIConnect"]);}});
	}
	
}


/***********************************************************************
* Instant Messaging Functions
***********************************************************************/
ANGEL.ui.live = {
	currentIMWindow:null,

	openIMWindow:function(){
	    ANGEL.ui.live.stopUniversalIMListener();
		ANGEL.ui.live.currentIMWindow = window.open(ANGEL.config.root + 'Live/im/default.aspx', 'ANGELIM', 'width=600,height=400,resizable=1,toolbar=0,scrollbars=no,top=100,left=250,screenY=150,screenX=250'); 
		ANGEL.ui.live.waitForIMWindowToClose(ANGEL.ui.live.restartUniversalIMListener);
	},

	restartUniversalIMListener:function(delay, override){
		var startUniversalIMListener = function(override){
			//If they just refreshed the IM window or it's still open, don't try to connect here
			if(ANGEL.ui.live.currentIMWindow && ANGEL.ui.live.currentIMWindow.closed){
				var universalIMClient = document.getElementById('universalIMClient');
				if(!override){
					override = false;
				}
				if(universalIMClient){
					universalIMClient.src = ANGEL.config.root + "Live/IM/IMPresenceOnly.aspx?forceAJAX=true&override=" + override;
				}
			}
		};
		var waitTime = 1000;
		if(delay){
			waitTime = delay;
		}
		if(!override || override == "undefined"){
			override = false;
		}
		ANGEL.ui.live.stopUniversalIMListener();
		setTimeout(function() { startUniversalIMListener(override); }, waitTime);
	},

    waitForIMWindowToClose:function(callback){
        function isIMClosed(){
            return ANGEL.ui.live.currentIMWindow && ANGEL.ui.live.currentIMWindow.closed;
        }
        
        function handleIMClosed(){
            if(isIMClosed()){
                callback();
            }
            else{
                setTimeout(function() { handleIMClosed(); }, 1000);
            }
        }
        
        handleIMClosed();
    },

	stopUniversalIMListener:function(){
		var universalIMClient = document.getElementById('universalIMClient');
		if(universalIMClient){
			universalIMClient.src = "";
		}
	},

	truncateMessageText:function(message){
		if(message.length > 100){
			message = message.substring(0, 97) + "...";
		}
		return message;
	},

	URLEncode:function(str){
		return escape(str.replace("%", "%25").replace("+", "%2B"));
	},

	randomString:function() {
		var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
		var string_length = 21;
		var randomstring = '';
		for (var i=0; i<string_length; i++) {
			var rnum = Math.floor(Math.random() * chars.length);
			randomstring += chars.substring(rnum,rnum+1);
		}
		return randomstring;
	},

	showIMNotifyWindow:function(fromUser, message){
		var imNotifyWindow = window.open(ANGEL.config.root + "Live/IM/newIMNotify.aspx?fromUser=" + ANGEL.ui.live.URLEncode(fromUser) + "&message=" + ANGEL.ui.live.URLEncode(ANGEL.ui.live.truncateMessageText(message)), "imNotify" + ANGEL.ui.live.randomString(), "width=250,height=100,top=" + (self.screen.availHeight - 120) + ",left=" + (self.screen.availWidth - 260), false);
	}
};

/***********************************************************************
* Wire up events and initialize
***********************************************************************/
angelevent.register("updateTimeout","site_main_load",ANGEL.ui.main.onLoad);
YAHOO.util.Event.onDOMReady(ANGEL.ui.init);
YAHOO.util.Event.on(window,"resize",ANGEL.ui.onResize);
YAHOO.util.Event.on(window,"load",ANGEL.ui.onResize);
// resize events do not always get fired, this timed function conditionally runs resize code if width or height has changed
setInterval(function() { ANGEL.ui.onResize(true); },1000);

//add a reference to the dialog script
//document.write('<' + 'script type="text\/javascript" language="javascript" src="' + ANGEL.config.root + 'jscript\/dialog.js"><\/' + 'script>');