var main_menu_elements = new Array();
var menu_selected = null;

function init_top_menu()
{
	if($('main_menu'))
	{
		lis = $('main_menu').getElementsByTagName('ul');
		lis = $A(lis[0].childNodes);
		lis.each(function(node)
		{
			if(node.tagName == 'LI')
			{
				main_menu_elements.push(node);
				node.onmouseover = function()
				{
					Element.removeClassName(menu_selected, 'selected');
					/*
					if(menu_selected == main_menu_elements[0])
						Element.removeClassName(menu_selected, 'first');
					if(this == main_menu_elements[0])
						Element.addClassName(this, 'first');
					*/
					Element.addClassName(this, 'selected');
					menu_selected = this;
				}
			}
			if(node.tagName == 'LI' && node.className == 'selected')
			{
			    menu_selected = node;
			}
		});
	}
}

Event.observe(window, 'load',
	function()
	{
		init_top_menu();	
	}
);