function checkEnter (e,form,formName)
{
   //alert (e.keyCode);
  
   if(e.keyCode == 13)
   { //if generated character code is equal to ascii 13 (if enter key)
      form.submit();
      //document.forms[1].submit();
      clearForm (formName);
   }
   else
   {
      return false; 
   }
}