function visLayer() {

	var args = visLayer.arguments,vismode=args[0]
	if (vismode == "hide") {vismode = "none"} else { vismode = ""}
	
	//if (navigator.appName == "Microsoft Internet Explorer"){
		//var obj = ".all", style = ".style"
	//} else {
		//var obj = ".layers", style = ""
	//}
	for (i=1; i<args.length; i++){
		var obj = document.getElementById(args[i]);
		obj.style.display = vismode;
		//var theLayer = eval("document" + obj + "[args[i]]" + style + ".visibility = vismode");
	}
}


var isNav = (navigator.appName.indexOf("Netscape") !=-1);

function handlerMM(e){
	mouseX = (isNav) ? e.pageX : event.clientX;
	mouseY = (isNav) ? e.pageY : event.clientY;
	if (mouseY < 6 || mouseY > 250 || mouseX > 450 || mouseX < 200){
		visLayer('hide', 'menu3', 'menudrop3');
	}
}

if (isNav) {
	document.captureEvents(Event.MOUSEMOVE);
}

document.onmousemove = handlerMM;