// JavaScript Document

function checkform ( form )
{
  
  // ** START **
  if (form.qty.value == "") {
    alert( "Please enter quantity in Tons." );
    form.qty.focus();
    return false ;
  }
  // ** END **
  // ** START **
  if (form.qty.value == "0") {
    alert( "Please enter quantity in Tons" );
    form.qty.focus();
    return false ;
  }
  // ** END **
  return true ;
}