function gup( name ){  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );  var results = regex.exec( window.location.href );
  if( results == null )    return "";  else
    return results[1];
}