function mswap(item, state)  {
	var imageSrc = item.firstChild.src;
	var newSrc = '';
	
	if (state == 1) {
		newSrc = imageSrc.replace(/_grau.png/g, "_weiss.png");
	} else {
		newSrc = imageSrc.replace(/_weiss.png/g, "_grau.png");
	}
	item.firstChild.src = newSrc;
}


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);
}
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);
		} else if (n>=0x40&&n<=0x5A) { 
			dec+=decryptCharcode(n,0x40,0x5A,offset);
		} else if (n>=0x61&&n<=0x7A) { 
			dec+=decryptCharcode(n,0x61,0x7A,offset);
		} else {
			dec+=enc.charAt(i);
		}
	}
	return dec;
}
function linkTo_UCM(s){
	location.href=decryptString(s,-5);
}