var IsLoaded = 0;
var layerRef;
var styleSwitch;

if (navigator.appName == "Netscape") {
	layerRef="document.layers";
  	styleSwitch="";
    } else {
    	layerRef="document.all";
    	styleSwitch=".style";
    }

function Show(Menu){
	var tmp
	
	HideAll();
	
	tmp = layerRef+'["'+Menu+'"]'+styleSwitch+'.visibility="visible";';
	if (IsLoaded == 1){
		eval(tmp);
		tmp = layerRef+'["'+Menu+'"].zOrder;';
		eval(tmp);
	}
}

function HideTimeOut(Menu){
	setTimeout("HideNow('"+Menu+"')", 1000);
}

function Hide(Menu){
	HideNow(Menu);
}

function HideNow(Menu){
	var tmp
	tmp = layerRef+'["'+Menu+'"]'+styleSwitch+'.visibility="hidden";';
	if (IsLoaded == 1)
		eval(tmp);
}

function HideAll(){
	HideNow('Menu1');
	HideNow('Menu2');
	HideNow('Menu3');
	HideNow('Menu4');
	HideNow('Menu5');
}