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