/***********************************************
* DD Tab Menu II 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 (or "" if no corresponding tab content)]:
var initialtab=[1, "sc1"]

//Turn menu into single level image tabs (completely hides 2nd level)?
var turntosingle=0 //0 for no (default), 1 for yes

//Disable hyperlinks in 1st level tab images?
var disabletablinks=0 //0 for no (default), 1 for yes


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

var previoustab=""

if (turntosingle==1)
document.write('<style type="text/css">\n#tabcontentcontainer{display: none;}\n</style>')

function expandcontent(cid, aobject){
if (disabletablinks==1)
aobject.onclick=new Function("return false")
if (document.getElementById && turntosingle==0){
highlighttab(aobject)
if (previoustab!="")
document.getElementById(previoustab).style.display="none"
if (cid!=""){
document.getElementById(cid).style.display="block"
previoustab=cid
}
}
}



function contractcontent(cid, aobject){
if (disabletablinks==1)
aobject.onclick=new Function("return false")
if (document.getElementById && turntosingle==0){
highlighttab(aobject)
if (previoustab!="")
document.getElementById(previoustab).style.display="none"
if (cid!=""){
document.getElementById(cid).style.display="none"
previoustab=cid
}
}
}


function highlighttab(aobject){
if (typeof tabobjlinks=="undefined")
collectddimagetabs()
for (i=0; i<tabobjlinks.length; i++)
tabobjlinks[i].className=""
aobject.className="current"
}

function collectddimagetabs(){
var tabobj=document.getElementById("ddimagetabs")
tabobjlinks=tabobj.getElementsByTagName("A")
}

function do_onload(){
collectddimagetabs()
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

function hidden (){
	document.getElementById("tabcontentcontainer").style.visibility = "hidden";
}
	
function visible (){
	document.getElementById("tabcontentcontainer").style.visibility = "visible";
}


function changeFolder(id) {
	document.getElementById('folder-themen').className = document.getElementById('folder-themen').className.replace('active', '');
	document.getElementById('topics-themen').style.display = 'none';
	
	document.getElementById('folder-speaker').className = document.getElementById('folder-speaker').className.replace('active', '');
	document.getElementById('topics-speaker').style.display = 'none';

	document.getElementById('folder-zeitplan').className = document.getElementById('folder-zeitplan').className.replace('active', '');
	document.getElementById('topics-zeitplan').style.display = 'none';
		
	document.getElementById('folder-blick').className = document.getElementById('folder-blick').className.replace('active', '');
	document.getElementById('topics-blick').style.display = 'none';
	
	
	
	document.getElementById('folder-' + id).className += ' active';
	document.getElementById('topics-' + id).style.display = 'block';
}