function menuopen(id,a) {
	document.getElementById(id).style.visibility="visible";
	document.getElementById(a).className="liactive";
	//if(document.getElementById(a).className != "active") document.getElementById(a).className='hover';
}
function menuclose(id,a) {
	document.getElementById(id).style.visibility="hidden";
	document.getElementById(a).className="";
	//if(document.getElementById(a).className == "hover") document.getElementById(a).className='';
}