function drop_down() 
{	
	$('div#main_navigation ul li').hover(
		function()
		{		
			$('ul', this).addClass('drop_down');
		},
		function()
		{
			$('ul', this).removeClass('drop_down');
		}
	);
}

function equalize_columns(column_1, column_2)
{
	$('div#main_content, div#secondary_content').equalizeCols();
}

$(document).ready(function()
{		
	//alert('drop_down');
	drop_down();
	//alert('equalize_columns');
	equalize_columns();
	//alert('end');
});