function qtyChanged( id ) {
	var obj = document.getElementById( "qty_" + id );
	var qty = Number( obj.selectedIndex ); 
	//submit the form:
	//alert( "Id=" + id + " Qty = " + qty ); 
	document.getElementById( "itemId" ).value = id;
	document.getElementById( "itemQty" ).value = qty;	
	document.getElementById( "qty_form" ).submit();
}