function menuin(tt){

	document.getElementById("m"+tt+"").style.visibility="visible";
}


function menuout(tt){

	document.getElementById("m"+tt+"").style.visibility="hidden";
}
function checkmenu(tt,menu){

	if(document.getElementById("m"+tt+"").style.visibility=="hidden"){
	document.getElementById(""+menu).className='menu-item';
	}
}