window.addEvent('domready', function(){
	$('layer_menu1').addEvents({
		'mouseleave': function(){
			document.getElementById("layer_menu1").style.display = "none";
			document.getElementById("layer").style.display = "none";
		}
	});
	
	$('layer_menu2').addEvents({
		'mouseleave': function(){
			document.getElementById("layer_menu2").style.display = "none";
			document.getElementById("layer").style.display = "none";
		}
	});
	
	$('layer_menu3').addEvents({
		'mouseleave': function(){
			document.getElementById("layer_menu3").style.display = "none";
			document.getElementById("layer").style.display = "none";
		}
	});
	
	$('layer_menu4').addEvents({
		'mouseleave': function(){
			document.getElementById("layer_menu4").style.display = "none";
			document.getElementById("layer").style.display = "none";
		}
	});
});

function showLayer(item) {
	document.getElementById("layer").style.display = "block";
	document.getElementById("layer_"+item.id).style.display = "inline";

}

function hideLayer(item) {
	item.style.display = "none";
	document.getElementById("layer").style.display = "none";
}