function menumm(a,b,c,d){
	for(var i=1;i<=b;i++){
		if (a==i){
			document.getElementById(c+i).style.display="";
			document.getElementById(d+i).style.backgroundImage="url(../images/top/nbg0"+i+"_on.gif)";
		}else{
			document.getElementById(c+i).style.display="none";
			document.getElementById(d+i).style.backgroundImage="url(../images/top/nbg0"+i+".gif)";
		}
	}
}
function menuout(a,b,c){
	document.getElementById(b+a).style.display="none";
	document.getElementById(c).style.backgroundImage="url(../images/top/nbg0"+a+".gif)";
}

function zz(a,b,c,d){
var temp;
window.clearTimeout(temp);
temp=setTimeout("menumm('"+a+"','"+b+"','"+c+"','"+d+"')",500);
}
function xx(a,b,c){
var temp;
window.clearTimeout(temp);
temp=setTimeout("menuout('"+a+"','"+b+"','"+c+"')",500)
}