// JScript File

function SelectAllCheckboxes(spanChk)
 {
   // Added as ASPX uses SPAN for checkbox
   var oItem = spanChk.children;
   var theBox= (spanChk.type=="checkbox") ? spanChk : spanChk.children.item[0];
   xState=theBox.checked;
   elm=theBox.form.elements;

   for(i=0;i<elm.length;i++)
     if(elm[i].type=="checkbox" && elm[i].id!=theBox.id)
     {
       if(elm[i].checked!=xState)
         elm[i].click();
     }
 }