function getValues(){
   var urlEnd = document.URL.indexOf('?');
   var values = new Array();
   var names;
  
   if (urlEnd != -1){
    var params = document.URL.substring(urlEnd+1, document.URL.length).split('&');
    for(i=0; i<params.length; i++) {
     names = params[i].split('=');
     values[names[0]] = names[1];
    }
   }
  return values;
}