var bg_stages=false;
var bg_stages_link=false;
var bg_ie6=false;var bg_ie=false;
var UA=navigator.userAgent.toLowerCase();var ffpr_valid=true;
if(UA.indexOf('msie')>-1) { var tmp=UA.substring(UA.indexOf('msie')+5,UA.length);var ieV=tmp.substring(0,tmp.indexOf(";"));if(ieV<7) { bg_ie6=true; } bg_ie=true; }

function bg_hideContent() {
	var height=0;
	var divs=document.getElementById('t3col0').getElementsByTagName('DIV');
	if(divs.length>0) {
		for(var i=0;i<divs.length;i++) {
			if(divs[i].className.lastIndexOf('tt_content-item')>=0) {
				if(divs[i].offsetHeight>height) {
					height=divs[i].offsetHeight;
				}

				if(divs[i].id && divs[i].id=='tt_content1933') {
					divs[i].style.display='block';
					bg_stages='tt_content1933';
					var a=document.getElementById('stageLink1933').getElementsByTagName('A');
					if(a.length>0) {
						bg_stages_link=a[0];
						a[0].style.color="#E60000";
						a[0].style.backgroundImage="url(fileadmin/images/his_link_act.gif)";
					}
				}
				else {
					divs[i].style.display='none';
				}
			}
		}
	}
//alert(height);	
	if(height>0) {
		height=(parseInt(height+73+100));
		document.getElementById('t3col0').style.minHeight=height+"px";
		if(bg_ie6) {
			document.getElementById('t3col0').style.height=height+"px";
		}
	}
	if(document.getElementById('hisHider')) {
		document.getElementById('hisHider').style.visibility='visible';
	}
}

function bg_showContent(id,obj) {
	if(bg_stages) {
		document.getElementById(bg_stages).style.display='none';
		bg_stages_link.style.backgroundImage="url(fileadmin/images/his_link.gif)";
		bg_stages_link.style.color="#6c6c6c";
	}
	if(document.getElementById(id)) {
		document.getElementById(id).style.display='block';
		obj.style.backgroundImage="url(fileadmin/images/his_link_act.gif)";
		obj.style.color="#e60000";
		bg_stages=id;
		bg_stages_link=obj;
	}
}
bg_hideContent();