//var muflg=1;
if(muflg==null){
	var muflg=2;
}
//var boxflg=1;
var loadmu=document.getElementById("menu"+muflg);
loadmu.className='submuon';
function muclick(muid){	
	//boxflg=0;
	if(muflg!=muid){
		var loadmu=document.getElementById("menu"+muflg);
		loadmu.className='submu';
	}
	var loadmu=document.getElementById("menu"+muid);
	loadmu.className='submuon';
	muflg=muid;
}