function setCookieValue(key,val) {
	document.cookie=key+"="+val;
}
function getCookieValue(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;
}