function item_change(item_id, item_type, form_name) {
	document.getElementById('item_id').value = item_id;
	document.getElementById('item_type').value = item_type;
	if (form_name !== '')
	{
		document.getElementById(form_name).submit();
	}
}
function change_page(page, form_name) {
	document.getElementById(form_name).page.value = page;
	document.getElementById(form_name).submit();
}