function   getUrlParameter(asName){

       var   lsURL=window.location.href;
       loU   =   lsURL.split("?");
       if   (loU.length>1){
         var   loallPm   =   loU[1].split("&");
         for   (var   i=0;   i<loallPm.length;   i++){
           var   loPm   =   loallPm[i].split("=");
           if   (loPm[0]==asName){
             if   (loPm.length>1){
               return   loPm[1];
             }else{
               return   "";
             }
           }
         }
       }
       return   null;
     }