function write_to_field(code) {
	var found = false;
	var i = 0;
	while ((found == false) && (i < document.form1.elements.length)) {
		i = i + 1
		if (document.form1.elements[i].name == code) {
			found = true;
			document.form1.elements[i].value = parent.item_quan(code);
		}
	}
}

function Loc_additem(code,price,desc,url) {
	self.parent.additem(code,price,desc,url);
	write_to_field(code)
}

function Loc_subitem(code,price,desc,url) {
	self.parent.subitem(code,price,desc,url);
	write_to_field(code);
}

function update_thiselem_page() {
	if (self != parent)
		parent.update_this_page();
}