function changeMenu() {
	var lanken;
	alert("inne");
	if (document.getElementById) {
		lanken = document.getElementById("beg");
	}
	else if (document.all) {
		lanken = document.all("beg")
	}
	else if (document.layers) {
		lanken = document.layers("beg")
	}
	lanken.className = "menuactive";
	
	
}