function CheckCheckBoxes(field) {
   var validcheckbox=1;
   var checkboxes=0;
   for (i=0;i<field.length;i++) {
      box=eval(field[i]);
      if (box.checked==true) {
         checkboxes++;
      }
   }
   if (checkboxes==false) {
   alert ("Please select one or more documents.");
   validcheckbox=0;
  }
return validcheckbox;
}


// Starting

function submitForm(data) {


  //Ckeck to see if white papers have been selected
   if (!CheckCheckBoxes(data.checkbox)) {
   return false;
   }

}