AJAX Extender Control with Pop-up Window

// JScript File

     function onSelect(_this, param)
     {
     var param_array = param.split(";");
     var xname = param_array[0];
     var txtbox = param_array[1];
     var xcorr = param_array[2] - 1;
     var x1=document.getElementById(txtbox);
     var xdiv=document.getElementById(xname);
     if (xdiv === null)
     {
       alert("Property: ListNumber=\"" + xcorr + "\" - number is out of range!");
       return;
     }
     
     showDropDown(x1, xdiv);
     }
     
     function onSelect1(_this, param)
     {
     var param_array = param.split(";");
     var xname = param_array[0];
     var txtbox = param_array[1];
     var xcorr = param_array[2] - 1;
     var x1=document.getElementById(txtbox);
     x1.style.backgroundColor="#CCFFFF";
     var xdiv=document.getElementById(xname);
     if (xdiv === null)
     {
     alert("Property: ListNumber=\"" + xcorr + "\" - number is out of range!");
     return;
     }
     showDropDown(x1, xdiv);
     }