function slowhigh(baseopacity, which2)
{
	imgobj=which2;
	browserdetect=which2.filters? "ie" : typeof which2.style.MozOpacity=="string"? "mozilla" : "";
	instantset(baseopacity, imgobj);
	highlighting=setInterval("gradualfade(imgobj)",50);
}

function slowlow(baseopacity, which2)
{
	cleartimer();
	instantset(baseopacity, which2);
}

function instantset(degree, imgobj)
{
	if (browserdetect=="mozilla")
	{
		imgobj.style.MozOpacity=degree/100;
	}
	else if (browserdetect=="ie")
	{
		alert("instantset:" + imgobj.style.filter);
		imgobj.style.filter.alpha.opacity=degree;
	}
}

function cleartimer()
{
	if (window.highlighting) 
	{
		clearInterval(highlighting);
	}
}

function gradualfade(cur2)
{
	alert("gradualfase")
	if (browserdetect=="mozilla" && cur2.style.MozOpacity<1)
	{
		cur2.style.MozOpacity=Math.min(parseFloat(cur2.style.MozOpacity)+0.1, 0.99);
	}
	else if (browserdetect=="ie") 
	{
		if (cur2.filters.alpha.opacity<100)
		{
			 cur2.style.filter.alpha.opacity=degree;	
			 cur2.filters.alpha.opacity+=10;
		}
	}
	else if (window.highlighting) 
	{
		clearInterval(highlighting);
	}
}

function checkAndRedirect(langCookie)
{
	if (langCookie != '')
	{
		document.location.href= "/index_lan.php";
	}
}



//
// SCROLLERS
//
/*
Extension developed by David G. Miles (www.z3roadster.net/dreamweaver)
Original Scrollable Area code developed by Thomas Brattli 
To add more shock to your site, visit www.DHTML Shock.com
*/

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 

bw=new verifyCompatibleBrowser() 
var speed=50 
var loop, timer 
 
function ConstructObject(obj,nest){ 
    nest=(!nest) ? '':'document.'+nest+'.' 
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight 
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight 
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.x 
    this.css.top=this.y 
} 
 
function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed) 
	} 
} 
 
function CeaseScroll(){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 
var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('divContainer') 
    objScroller=new ConstructObject('divContent','divContainer') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true; 
} 
// end absolutely positioned scrollable area object scripts 


function edutango_initialize()
{
	InitialiseScrollableArea();
}