/***********************************************************/
/**     created by Jens Bergau (jens.bergau@gmx.de)       **/
/***********************************************************/

sw = false;

divs = new Array();
divs[0] = 'u1';
divs[1] = 'u2';
divs[2] = 'u3';
divs[3] = 'u4';
var topli = 4;
var timeOut;
	
var activeOben, activeUnten;

//alert(window.innerHeight);


function setTop(){
  if (navigator.userAgent.indexOf("MSIE") >= 0){
		var tmp = document.body.offsetHeight;
  	if (tmp > 755){
  		tmp = Math.abs((tmp-755)/ 2);
  		document.getElementById("page_margins").style.paddingTop = tmp + "px";
  	}
	}else{
		var tmp = window.innerHeight;
		if (tmp > 755){
  		tmp = Math.abs((tmp-755)/ 2);
  		document.getElementById("page_margins").style.paddingTop = tmp + "px";
  	}
	}	
	
}

function active(lid)
{
	var li = lid.split("L");
	vars = new Array();
	vars = li[1].split("_");
	var oben = vars[0];
	var unten = vars[1];
	
	if (unten > 0) show_div("u"+oben);
	document.getElementById(lid).className = "active";
	
	
	vars = new Array();
	li = activeLink.split("L");
	vars = li[1].split("_");
	// set global vars of activeLink
	activeOben = vars[0];
	activeUnten = vars[1];
}

function hide_others(l)
{
	//window.clearTimeout(timeOut);
  for (i=1;i<=topli;i++){
		document.getElementById("L"+i+"_0").className = "";
	}
	//alert(divs.length);
	for (var i = 0; i < divs.length; i++) {
	  
		if (l==0){
			document.getElementById("L"+activeOben+"_0").className = "active";
		//	if (divs[i]!="u"+activeOben) document.getElementById(divs[i]).style.display = 'none';
		//	else document.getElementById(divs[i]).style.display = 'block';
		}else{
		//	if (divs[i] == "u"+l)document.getElementById(divs[i]).style.display = 'block';
		//	else document.getElementById(divs[i]).style.display = 'none';
		}
	}

	return true;
	
}	
function show_div(elname)
{
	for (i=1;i<=topli;i++){
		document.getElementById("L"+i+"_0").className = "";
	}
	li = elname.split("u");
	document.getElementById("L"+li[1]+"_0").className = "active";
	document.getElementById(elname).style.display='block';
	timeOut = window.setTimeout("hide_others(0)",2000);
	return true;
}
window.onresize = setTop;