var tabobjlinks;
var initialtab;
var enablepersistence=true;

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 = "";
var previousparent = "";

var tabOffColor = "#b1de79";
var tabOnColor = "#ffffff"

function expandcontent(cid, aobject, parentid)
{
	if(cid == "sc3")
	{
		document.getElementById("regbtn").style.display = "none";
	} else {
		document.getElementById("regbtn").style.display = "block";
	}
	
	if (document.getElementById)
	{
		highlighttab(cid, aobject)
		detectSourceindex(aobject)
		if (previoustab != "")
		{
			document.getElementById(previoustab).style.display = "none";
		}
		if (previousparent != "")
		{
			document.getElementById(previousparent).style.display = "none";
		}
		document.getElementById(cid).style.display = "block";
		document.getElementById(parentid).style.display = "block";
		previoustab = cid;
		previousparent = parentid;
		if (aobject.blur)
		{
			aobject.blur();
		}
		
		return false;
	}
	else
	{
		return true;
	}
}

function highlighttab(cid, aobject)
{
	if (typeof tabobjlinks=="undefined")
	collecttablinks()
	for (i=0; i<tabobjlinks.length; i++)
	{
		tabobjlinks[i].style.backgroundColor = tabOffColor;
	}
	
	var themecolor = tabOnColor;
	
	document.getElementById("tabcontentcontainer").style.backgroundColor = themecolor;
	
	if (cid != "undefined" && cid != "")
	{
		tabName = cid + "Tab";
		document.getElementById(cid+"Tab").style.backgroundColor = themecolor;
	}
	
}

function collecttablinks()
{
	var tabobj=document.getElementById("tablist");
	if (tabobj) { 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 toggleContent(obj1ID, obj1State, obj2ID, obj2State)
{
	if (document.getElementById)
	{
		document.getElementById(obj1ID).style.display = obj1State;
		document.getElementById(obj2ID).style.display = obj2State;
	}
}

function get_cookie(Name)
{
	var search = Name + "=";
	var returnvalue = "";
	
	if (document.cookie.length > 0)
	{
		offset = document.cookie.indexOf(search);
		if (offset != -1)
		{
			offset += search.length;
			end = document.cookie.indexOf(";", offset);
			if (end == -1)
			{
				end = document.cookie.length;
			}
			
			returnvalue = unescape(document.cookie.substring(offset, end));
		}
	}
	
	return returnvalue;
}


function savetabstate()
{
	document.cookie = window.location.pathname + "=" + tabsourceindex + "|" + previoustab + "|" + previousparent;
}

function do_onload()
{
	/*
	var cookiename=(typeof persisttype!="undefined" && persisttype=="sitewide")? "tabcontent" : window.location.pathname
	var cookiecheck=window.get_cookie && get_cookie(cookiename).indexOf("|")!=-1
	collecttablinks()
	if (tabobjlinks)
	{
		initTabcolor=cascadedstyle(tabobjlinks[1], "backgroundColor", "background-color");
		initTabpostcolor=cascadedstyle(tabobjlinks[0], "backgroundColor", "background-color");
	}
	
	expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1], "tripInfo");
	*/
	
	/* */
	var cookiecheck = window.get_cookie && get_cookie(window.location.pathname).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(window.location.pathname).split("|");
		var whichtab = cookieparse[0];
		var tabcontentid = cookieparse[1];
		var whichparent = cookieparse[2];
		
		expandcontent(tabcontentid, tabobjlinks[whichtab], whichparent);
	}
	else
	{
		expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1], "tripInfo");
	}
	/* */
	
}

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

window.onunload=savetabstate;

/*
-- original scripts

-- for head section

var initialtab=[1, "sc1"]

	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=document.getElementById("tabcontentcontainer").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 cookiecheck=window.get_cookie && get_cookie(window.location.pathname).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(window.location.pathname).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
	</script>

<script type="text/javascript">
	//Dynamicdrive.com persistence feature add-on
	var enablepersistence=true //true to enable persistence, false to turn off (or simply remove this entire script block).
	
	function get_cookie(Name) { 
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
	offset = document.cookie.indexOf(search)
	if (offset != -1) { 
	offset += search.length
	end = document.cookie.indexOf(";", offset);
	if (end == -1) end = document.cookie.length;
	returnvalue=unescape(document.cookie.substring(offset, end))
	}
	}
	return returnvalue;
	}
	
	function savetabstate(){
	document.cookie=window.location.pathname+"="+tabsourceindex+"|"+previoustab
	}
	
	window.onunload=savetabstate


*/