$(document).ready(function(){
	
    preload([
		'/img/object_01_name.png',
		'/img/object_02_name.png',
		'/img/object_03_name.png',
		'/img/object_04_name.png',
		'/img/object_05_name.png',
		'/img/object_01_stroke.png',
		'/img/object_02_stroke.png',
		'/img/object_03_stroke.png',
		'/img/object_04_stroke.png',
		'/img/object_05_stroke.png'
		]);

	function preload(images) {
		if (typeof document.body == "undefined") return;
		try {
			var div = document.createElement("div");
			var s = div.style;
				s.position = "absolute";
			s.top = s.left = 0;
			s.visibility = "hidden";
			document.body.appendChild(div);
			div.innerHTML = "<img src=\"" + images.join("\" /><img src=\"") + "\" />";
			var lastImg = div.lastChild;
			lastImg.onload = function() { document.body.removeChild(document.body.lastChild); };
		 }
		 catch(e) {
			// Error. Do nothing.
		}
	}
	
	$(".object .wrap").hover(
		function(){
			$(this).parent().children(".name").css("display", "block");
			$(this).parent().children(".stroke").css("display", "block");
		},
		function(){
			$(this).parent().children(".name").css("display", "none");
			$(this).parent().children(".stroke").css("display", "none");
		}
	);
	
});