function getScreenLeft() {
	pos = 150;
	if(window.screenX)
  		pos = window.screenX + 50;
	else if(window.screenLeft)
  		pos = window.screenLeft+ 50;
  	return pos;
}

function getScreenTop() {
	pos = 150;
	if(window.screenY)
  		pos = window.screenY + 50;
	else if(window.screenTop)
  		pos = window.screenTop + 50;
  	return pos;
}

function changeImage(id, state) {
	if (state == 'act') {
		document.getElementById(id).src = 'fileadmin/layout/'+id+'_act.gif';
	}
	else {
		document.getElementById(id).src = 'fileadmin/layout/'+id+'.gif';
	}			
}

	
var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);
var version = "";
var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror" || browserName=="Opera") {version = "n3";} else {version = "n2";}

	// Blurring links:
function blurLink(theObject)	{	//
	if (msie4)	{theObject.blur();}
}
		

	// decrypt helper function
function decryptCharcode(n,start,end,offset)	{
	n = n + offset;
	if (offset > 0 && n > end)	{
		n = start + (n - end - 1);
	} else if (offset < 0 && n < start)	{
		n = end - (start - n - 1);
	}
	return String.fromCharCode(n);
}
	// decrypt string
function decryptString(enc,offset)	{
	var dec = "";
	var len = enc.length;
	for(var i=0; i < len; i++)	{
		var n = enc.charCodeAt(i);
		if (n >= 0x2B && n <= 0x3A)	{
			dec += decryptCharcode(n,0x2B,0x3A,offset);	// 0-9 . , - + / :
		} else if (n >= 0x40 && n <= 0x5A)	{
			dec += decryptCharcode(n,0x40,0x5A,offset);	// A-Z @
		} else if (n >= 0x61 && n <= 0x7A)	{
			dec += decryptCharcode(n,0x61,0x7A,offset);	// a-z
		} else {
			dec += enc.charAt(i);
		}
	}
	return dec;
}

		// JS function for uncrypting spam-protected emails:
function UnCryptMailto(s) {	//
	var n=0;
	var r="";
	for(var i=0; i < s.length; i++) {
		n=s.charCodeAt(i);
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(1));
	}
	return r;
}		
	// decrypt spam-protected emails
function linkTo_UnCryptMailto(s)	{
	location.href = decryptString(s,-1);
}