$(document).ready(function(){
	preload([
		'images/header/page-navigation/nav-home-active.png',
		'images/header/page-navigation/nav-location-active.png',
		'images/header/page-navigation/nav-product-active.png',
		'images/header/page-navigation/nav-svc-active.png',
		'images/header/page-navigation/nav-staff-active.png'
	]);
});

function preload(arrayOfImages) {
    $(arrayOfImages).each(function(){
        $('<img/>')[0].src = this;
    });
}