if (window.addEventListener)
{
	window.addEventListener("load",addMenuMouseEvent,false);
}
else
{
	window.attachEvent("onload",function(){addMenuMouseEvent();});
}

function addMenuMouseEvent()
{
	var menuSquirrel = document.getElementById("menu_squirrel");
	var menuPointer = document.getElementById("menu_pointer");
	var menuPointerCurrentClass = menuPointer.className;
	var menuOverlay = document.getElementById("menu_overlay");
	var menuOverlayCurrentClass = menuOverlay.className;
	var menuContact = document.getElementById("menu_contact");
	var aryMenu = document.getElementsByTagName("area");
	for (var i = 0; i < aryMenu.length; ++i)
	{
		aryMenu[i].onmouseover = function()
		{
			menuSquirrel.style.display = (menuSquirrel.style.display == "block") ? "none" : "block";
			menuPointer.className = this.id.substr(9);
			menuOverlay.className = this.id.substr(9);
			menuContact.style.display = (this.id == "menu_map_contact") ? "block" : "none";
		}
		aryMenu[i].onmouseout = function()
		{
			menuPointer.className = menuPointerCurrentClass;
			menuOverlay.className = menuOverlayCurrentClass;
			menuContact.style.display = "none";
		}
	}
}