// JavaScript Document
function cal()
    {

           var qs = window.location.search.substring(1);
           //alert(qs);
           if(qs != 'a=1' && document.getElementById("Thanks") != null)
           {
           //alert('asd');
           document.getElementById("Thanks").style.display='none';
           }
           else if(document.getElementById("Thanks") != null)
           {
           document.getElementById("Thanks").style.display='inline';
           }
    }