function open_popup(url,popwidth,popheight) {
  var popup;
  popup = window.open(url,'survey',"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,left=0,top=0,width="+popwidth+",height="+popheight);
}

function toggledisplay (id, indicator){
	if (document.getElementById) {
		var obj = document.getElementById(id);
		var indi = document.getElementById(indicator);
		obj.style.display = (obj.style.display=='block'?'none':'block');
		indi.innerHTML = (obj.style.display=='block'?'weniger info V':'mehr info >');
	} else if(document.all) { // IE
		id.style.display = (id.style.display=='block'?'none':'block');
		indi.innerHTML = (id.style.display=='block'?'weniger info V':'mehr info >');
	} else if (document.layers) { // Netscape 4.x
		document.id.style.display = (document.id.style.display=='block'?'none':'block');
		document["indicator"].document.open();
		if (document.id.style.display=='block')
		    document["indicator"].document.write('weniger info V');
		if (document.id.style.display!='block')
		    document["indicator"].document.write('mehr info >');
		document["indicator"].document.close();
	}
}

function fnTrapKD(btnID, event){
			btn = findObj(btnID);
			if (document.all){
				if (event.keyCode == 13){
					event.returnValue=false;
					event.cancel = true;
					btn.click();
				}
			}else if (document.getElementById){
				if (event.which == 13){
					event.returnValue=false;
					event.cancel = true;
					btn.focus();
					btn.click();
				}
			}
			else if(document.layers){
				if(event.which == 13){
					event.returnValue=false;
					event.cancel = true;
					btn.focus();
					btn.click();
				}
			}
		}
		
		function findObj(n, d) { 
			var p,i,x;  
			if(!d) 
				d=document; 
			if((p=n.indexOf("?"))>0 && parent.frames.length) {
				d=parent.frames[n.substring(p+1)].document; 
				n=n.substring(0,p);
			}
			if(!(x=d[n])&&d.all) 
				x=d.all[n]; 
			for (i=0;!x&&i<d.forms.length;i++) 
				x=d.forms[i][n];
			for(i=0;!x&&d.layers&&i<d.layers.length;i++) 
				x=findObj(n,d.layers[i].document);
			if(!x && d.getElementById) 
				x=d.getElementById(n); 
			return x;
		}

function __doPostBack(eventTarget, eventArgument) {
		var theform;
		if (window.navigator.appName.toLowerCase().indexOf("microsoft") > -1) {
			theform = document.Form1;
		}
		else {
			theform = document.forms["Form1"];
		}
		theform.__EVENTTARGET.value = eventTarget.split("$").join(":");
		theform.__EVENTARGUMENT.value = eventArgument;
		theform.submit();
	}