var correction 	= ""
	
	function toggle()
	{
		eElement = document.getElementById('langChoice');
		if(eElement.className == "show"){
			eElement.className = "";	
		} else{
			eElement.className = "show";	
		}
	}
	
	window.onload = function() 
	{
		resizeContent();
	}
	
	
	
	window.onresize = function() 
	{
		resizeContent(); // in ie6 the onresize event fires more then once, wich crashes the browser
	}
	
	
	
	// browser-check
	var _agent=navigator.userAgent;

	function IsIE(){
		return _agent.indexOf("MSIE ")>-1;
	}
	
	function IEVersion(){
		var idx=_agent.indexOf("MSIE ");
		return parseFloat(_agent.substring(idx+5,_agent.indexOf(";",idx)));
	}
	
	function IsIE6Plus(){
		return IsIE()&&IEVersion()>=6;
	}
	
	function IsIE7(){
		return IsIE()&&IEVersion()>=7;
	}
	
	function IsFireFox(){
		return _agent.indexOf("Firefox")>-1;
	}
	

	
	function getWindowHeight() {
		var windowHeight = 0;
		if (typeof(window.innerHeight) == 'number') {
			windowHeight = window.innerHeight;
		}
		else {
			if (document.documentElement && document.documentElement.clientHeight) {
				windowHeight = document.documentElement.clientHeight;
			}
			else {
				if (document.body && document.body.clientHeight) {
					windowHeight = document.body.clientHeight;
				}
			}
		}
		
		return windowHeight;
	}
	
	function resizeContent(){
//		var eStartTab = document.getElementById('gnStart');
//		if(eStartTab == true){
//			eStartTab.className = "active";
//		}
//   			
//		if (document.getElementById) {
//			
//			var windowHeight = getWindowHeight();
//			if (windowHeight > 0) {
//				
//				// retrieve all heights
//				var colsElement 	= document.getElementById('cols');
//				if (colsElement == null) return;
//				var colsHeight 		= colsElement.offsetHeight;
//				
//				var contentElement 	= document.getElementById('content');
//				if (contentElement == null) return;
//				var contentHeight 	= contentElement.offsetHeight;

//				var headerElement 	= document.getElementById('header');
//				if (headerElement == null) return;
//				var headerHeight 	= headerElement.offsetHeight;

//				var footerElement 	= document.getElementById('footer');
//				if (footerElement == null) return;
//				var footerHeight 	= footerElement.offsetHeight;
//				
//				var wrapperElement 	= document.getElementById('wrapper');
//				if (wrapperElement == null) return;
//				var wrapperHeight 	= wrapperElement.offsetHeight;

//				var newsBoxElement = document.getElementById('newsBox');
//				if (newsBoxElement != null) {
//				    var newsBoxHeight = newsBoxElement.offsetHeight;
//				}
//				
//				
//				var contentCorrection 	= 40
//				var colsCorrection 		= 40
//				
//				if (IEVersion()>6){
//					//contentCorrection = 50
//					//colsCorrection = 50
//				}
//				if (IEVersion()<7){
//					contentCorrection 	= 0
//					colsCorrection 		= 0
//				}
//				
//				

//				// calculate and set new height
//				var newContentHeight 			= windowHeight - (headerHeight + footerHeight + contentCorrection);
//				contentElement.style.height 	= newContentHeight + 'px';
//				contentElement.style.minHeight = newContentHeight + 'px';

//				if (newsBoxElement != null) {
//				    //alert("contentHeight: " + contentHeight + "newContentHeight: " + newContentHeight + "newsBoxHeight: " + newsBoxHeight);
//				    newsBoxElement.style.height = (newContentHeight - 204) + 'px';
//				    newsBoxElement.style.minHeight = (newContentHeight - 204) + 'px';
//				    newsBoxElement.style.overflowY = 'auto';
//				}

//				var newColsHeight 				= windowHeight - (headerHeight + footerHeight + colsCorrection);
//				colsElement.style.height 		= newColsHeight + 'px';
//				colsElement.style.minHeight 	= newColsHeight + 'px';
//				
//				
//				
//				
//				if (document.body.offsetHeight>windowHeight){
//					correction = (document.body.offsetHeight-windowHeight)
//					
//					var contentCorrection 			= (newContentHeight-correction)
//					var colsCorrection 				= (newColsHeight-correction)
//					
//					contentElement.style.height 	= contentCorrection + 'px';
//					contentElement.style.minHeight 	= contentCorrection + 'px';

//					colsElement.style.height 		= colsCorrection + 'px';
//					colsElement.style.minHeight 	= colsCorrection + 'px';
//				}
//				
//				wrapperElement.style.height 	= windowHeight + 'px';
//				//document.getElementById('footer').style.backgroundColor = "red"
//				
//			}
//			
//		}
//	
	}



	
	function activateTab(sActiveTab)
	{
		
		var eTab = document.getElementById(sActiveTab);
		var eNav = document.getElementById('globalNav');
		
		// reset all active elemets
		var aTabs = eNav.getElementsByTagName("li")
		for(i = 0; i < aTabs.length; i++)
		{
			if(aTabs[i].className == "active")
			{				
				aTabs[i].className  = "";
			}
		}
		
		eTab.className = "active";
	}

	
	function resetTab(sActiveTab)
	{
		//version of code july 2008
 		var eNav = document.getElementById('globalNav');

        // reset all active elemets
        var aTabs = eNav.getElementsByTagName("li")
        for(i = 0; i < aTabs.length; i++)
        {
              if(aTabs[i].className == "active")
              {                                    
                   aTabs[i].className  = "";
              }
        }

        //This is for the first row in the menu.
        if(document.getElementById('gnStart'))
        {
		    var eStartTab = document.getElementById('gnStart');
		    eStartTab.className = "active";
        }
        //This is for the second row in the menu.
        if(document.getElementById('gnSubStart'))
        {
		    var eStartTab = document.getElementById('gnSubStart');
		    eStartTab.className = "active";
		}
	}