window.addEvent('domready',function()
{
	$$('.left_menu').each(function(el,id)
	{
		if(!el.hasClass('active'))
		{
			el.addEvent('mouseover',function()
			{
				el.setStyles({background:'url(\'images/menu_active_light.png\') repeat-y'});
			});
			el.addEvent('mouseout',function()
			{
				el.setStyles({background:'transparent'});
			});
		}
	});
});