function AddQueryString(actionValue,QueryString){
   var strOut='';
   if (actionValue.indexOf('aspx?')==-1){
      strOut=actionValue + '?' + QueryString;
   }else {
      strOut=actionValue + '&' + QueryString;
      //strOut=actionValue.replace('aspx?','aspx?' + QueryString + '&') ;
   }
   return strOut;
}