var ROOTDIR = "/";
	var DOMAIN = "domain=www.trelleborg.com;";	
	
	function get_cookie(key) {
		var search = key + "=";
		var returnvalue = "";
		if (document.cookie.length > 0) {
			offset = document.cookie.indexOf(search);
			// if cookie exists
			if (offset != -1) {
				offset += search.length;
				// set index of beginning of value
				end = document.cookie.indexOf(";", offset);
				// set index of end of cookie value
				if (end == -1){
					end = document.cookie.length;
				}

				returnvalue = unescape(document.cookie.substring(offset, end));
			}
		}
		
		return returnvalue;
	}
	
	function set_cookie(key, value){
		var cookie = key+"="+ value +";";
		cookie += "path="+ ROOTDIR +";";
		cookie += DOMAIN;
		cookie += key+"="+ value;
		document.cookie = cookie;
	}