function initMenu(menu)
{
	var menus = menu.getElementsByTagName('span');

	for (var i=0;i<menus.length;i++)
	{
		menus[i].parentNode.onmouseover = function ()
		{
			this.children[1].style.display = "block";
		}
		menus[i].parentNode.onmouseout = function ()
		{
			this.children[1].style.display = "none";
		}
	}
}