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


// Usage:

$(['_img/menu-gradient-bg.gif','_img/vid-nav1-hover.jpg','_img/vid-nav2-hover.jpg','_img/vid-nav3-hover.jpg','_img/vid-nav4-hover.jpg','_img/vid-nav5-hover.jpg','_img/vid-nav1-on.jpg','_img/vid-nav2-on.jpg','_img/vid-nav3-on.jpg','_img/vid-nav4-on.jpg','_img/vid-nav5-on.jpg','_img/voice-right-kevin-hover.jpg','_img/voice-right-shannon-hover.jpg', '_img/main-nav-bg-hover.gif']).preload();