function show_popup(url) {
	document.getElementById('popup_message').style.display = 'block';
	makeRequest(url, 'div_popup', true, false);
}
function del_item(nom, item, tr)
{
	makeRequest('item_del.pop.php?id=' + nom + '&item=' + item + '&tr=' + tr,'div_popup', true, false)	;
	document.getElementById('popup_message').style.display = 'block';			
}