function Hide() {
	$('.submenu').css("visibility", "hidden");
}

$(document).ready(function(){
	if (navigator.appName != "Microsoft Internet Explorer") $('.submenu').css("width", "193px");

	$(".bt3").mouseover(function(){
		$('.submenu').css("visibility", "visible");
	});
	
	$("#flash").mouseover(function(){Hide();});
	$("#calosc").mouseover(function(){Hide();});
	$(".bt2").mouseover(function(){Hide();});
	$(".bt4").mouseover(function(){Hide();});
});