function doBacklink(){

	try {

		if (navigator.cookieEnabled == true) {
			
			cookieVal = get_cookie("clr");
			backLink = "";
			
				
			if (cookieVal != ""){
												
				cookieParts = cookieVal.split(" ß+ß ");

				backLink = cookieParts[0];							
				for (i = 1; i < (cookieParts.length - 1); i++){
					backLink += "&nbsp;->&nbsp;" + cookieParts[i];  										
				} 	
				
				backLinkATag  = "<a title='zurück zu der letzten, von Ihnen besuchten Seite' alt='zurück zu der letzten, von Ihnen besuchten Seite' href='index.php?id=" + cookieParts[cookieParts.length - 1] + "' target=_top>";
				
				sHTML = "<div id='backlink' title='zurück zu der letzten, von Ihnen besuchten Seite'>" +  backLinkATag + backLink + "</a></div>";
				         										
				elem = window.document.getElementById("baklink");										
	
				if (elem) {
					window.document.getElementById("backlink-label").style.visibility = "visible";
					elem.innerHTML = sHTML;					
				}
			}
		
			navText = window.document.getElementById("bb-space").innerHTML;
			parts = navText.split("&nbsp;-&gt;&nbsp;");

		  	cookieText = "";
		
			myURL = window.location.search;
			
			params = myURL.split("id=");
			param = params[1];
			params = param.split("&");
			
			myID = params[0];

			
			if (myURL.indexOf("Fsize") != -1) {
				paramsFsize = myURL.split("&Fsize=");
				paramFsize = paramsFsize[1];
				paramsFsize = paramFsize.split("&");
			
				myFsize = paramsFsize[0];
			} else {
				myFsize = "2";
			}
				
			for (i = 0; i < parts.length; i++){
			  	cookieText += encodeURIComponent(parts[i]) + " ß+ß ";
			}
			cookieText += myID + "&Fsize=" + myFsize;
			
			window.document.cookie = "clr=" + cookieText;	
			//alert(window.document.cookie);
		}
	} catch(e){}
	
}

function get_cookie(Name) {
  	var search = Name + "=";
  	var returnvalue = "";
	if (window.document.cookie.length > 0) {
    		offset = window.document.cookie.indexOf(search)
    		// if cookie exists
    		if (offset != -1) { 
      			offset += search.length
      			// set index of beginning of value
      			end = window.document.cookie.indexOf(";", offset);
      			// set index of end of cookie value
      			if (end == -1) end = window.document.cookie.length;
      			returnvalue=decodeURIComponent(window.document.cookie.substring(offset, end))
      		}
   	}
  	return returnvalue;
}