var the_menu_vis = true;
var the_menu_vis2 = true;

$(document).ready(function () {
    $('img.menu_class').click(function () {
	$('ul.the_menu').slideToggle('medium');
	$('#about_on').css({visibility:(the_menu_vis ? 'visible' : '')});
	the_menu_vis = !the_menu_vis;
	$('ul.the_menu2').slideUp('medium');
	$('#capabilities_on').css({visibility:''});
	the_menu_vis2 = true;
    });
});

$(document).ready(function () {
    $('img.menu_class2').click(function () {
	$('ul.the_menu2').slideToggle('medium');
	$('#capabilities_on').css({visibility:(the_menu_vis2 ? 'visible' : '')});
	the_menu_vis2 = !the_menu_vis2;
	$('ul.the_menu').slideUp('medium');
	$('#about_on').css({visibility:''});
	the_menu_vis = true;
    });
});