function CloseLogoDIV(){
	$('#Layer1').style.display="none";
}
var menuHandle=null;
function showMenuItem(e){
	var menuItem=$(".MainMenuItem[submenuid]");
	for(var i=0;i<menuItem.length;i++){
		if(e==$(menuItem[i]).attr("submenuid")){
			$("#"+$(menuItem[i]).attr("submenuid")).css("visibility","visible");
		}else{
			$("#"+$(menuItem[i]).attr("submenuid")).css("visibility","hidden");
		}
	}
}
$(document).ready(function(){
	var selected_images=$("img[src_selected]");
	
	var d=document; 
	if(d.images){ 
		if(!d.MM_p) d.MM_p=new Array();
		for(var i=0;i<selected_images.length;i++){
		    d.MM_p[i]=new Image; 
		    d.MM_p[i].src=$(selected_images[i]).attr("src_selected");
		}
	}
	
	selected_images.hover(
		function(){
			var ssrc=$(this).attr("src")
			$(this).attr("src",$(this).attr("src_selected"));
			$(this).attr("src_selected",ssrc);
		},
		function(){
			var ssrc=$(this).attr("src")
			$(this).attr("src",$(this).attr("src_selected"));
			$(this).attr("src_selected",ssrc);
		}
	);
	
	var menuItem=$(".MainMenuItem");
	menuItem.mouseover(function(){
		var menuid=$(this).attr("submenuid");
		menuHandle=setTimeout("showMenuItem('"+menuid+"');",500);
	});
	menuItem.mouseout(function(){
		clearTimeout(menuHandle);
	});
});