/* Client-side access to querystring name=value pairs
	Version 1.2.3
	22 Jun 2005
	Adam Vandenberg
*/
function Querystring(qs) { // optionally pass a querystring to parse
	this.params = new Object()
	this.get=Querystring_get
	
	if (qs == null)
		qs=location.search.substring(1,location.search.length)

	if (qs.length == 0) return

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ')
	var args = qs.split('&') // parse out name/value pairs separated via &
	
// split out each name=value pair
	for (var i=0;i<args.length;i++) {
		var value;
		var pair = args[i].split('=')
		var name = unescape(pair[0])

		if (pair.length == 2)
			value = unescape(pair[1])
		else
			value = name
		
		this.params[name] = value
	}
}

function Querystring_get(key, default_) {
	// This silly looking line changes UNDEFINED to NULL
	if (default_ == null) default_ = null;
	
	var value=this.params[key]
	if (value==null) value=default_;
	
	return value
}

// Parse the current page's querystring
var qs = new Querystring()

var v1 = qs.get("tab", "1")
var v2 = qs.get("id", "sc1")




/***********************************************
* Tab Content script- � Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var initialtab=[v1, v2]

////////Stop editting////////////////

function cascadedstyle(el, cssproperty, csspropertyNS){
	if (el.currentStyle)
		return el.currentStyle[cssproperty]
	else if (window.getComputedStyle){
		var elstyle=window.getComputedStyle(el, "")
		return elstyle.getPropertyValue(csspropertyNS)
	}
}

var previoustab=""

function expandcontent(cid, aobject){

	if (document.getElementById){
		highlighttab(aobject)
		detectSourceindex(aobject)
		if (previoustab!="")
			document.getElementById(previoustab).style.display="none"
		document.getElementById(cid).style.display="block"
		previoustab=cid
		if (aobject.blur)
			aobject.blur()
		return false
	}
	else
		return true
}

function highlighttab(aobject){
	if (typeof tabobjlinks=="undefined")
		collecttablinks()
	for (i=0; i<tabobjlinks.length; i++)
		tabobjlinks[i].style.backgroundColor=initTabcolor
	var themecolor=aobject.getAttribute("theme")? aobject.getAttribute("theme") : initTabpostcolor
	aobject.style.backgroundColor=themecolor
}

function collecttablinks(){
	var tabobj=document.getElementById("tablist")
	tabobjlinks=tabobj.getElementsByTagName("A")
}

function detectSourceindex(aobject){
	for (i=0; i<tabobjlinks.length; i++){
		if (aobject==tabobjlinks[i]){
			tabsourceindex=i //source index of tab bar relative to other tabs
			break
		}
	}
}

function do_onload(){
	var cookiename=(persisttype=="sitewide")? "tabcontent" : window.location.pathname
	var cookiecheck=window.get_cookie && get_cookie(cookiename).indexOf("|")!=-1
	collecttablinks()
	initTabcolor=cascadedstyle(tabobjlinks[1], "backgroundColor", "background-color")
	initTabpostcolor=cascadedstyle(tabobjlinks[0], "backgroundColor", "background-color")
	if (typeof enablepersistence!="undefined" && enablepersistence && cookiecheck){
		var cookieparse=get_cookie(cookiename).split("|")
		var whichtab=cookieparse[0]
		var tabcontentid=cookieparse[1]
		expandcontent(tabcontentid, tabobjlinks[whichtab])
	}
	else
	{
		expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1])
	}

}

if (window.addEventListener)
	window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
	window.attachEvent("onload", do_onload)
else if (document.getElementById)
	window.onload=do_onload

//Dynamicdrive.com persistence feature add-on

var enablepersistence=true //true to enable persistence, false to turn off (or simply remove this entire script block).
var persisttype="local" //enter "sitewide" for Tab content order to persist across site, "local" for this page only