function OpenMenu(navi_id) {
	document.getElementById("kasten_absolute_" + navi_id).style.height = "399px";
	document.getElementById("kasten_item_" + navi_id).style.backgroundColor = "#e7e7e5";
}
function CloseMenu(navi_id) {
	document.getElementById("kasten_absolute_" + navi_id).style.height = "24px";
	document.getElementById("kasten_item_" + navi_id).style.backgroundColor = "#ffffff";
}