// Awesome namespace thingy :D
new function() {
	var addEvent = function (obj, type, fn){
		if ( obj.attachEvent ) {
			obj['e'+type+fn] = fn;
			obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
			obj.attachEvent( 'on'+type, obj[type+fn] );
		} else {
			obj.addEventListener( type, fn, false );
		}

	};

	addEvent(window, 'load', function() {
		var div = document.getElementById('navigation');

		var images = div.getElementsByTagName('img');

		for(var x = 0; x < images.length; x++) {
			var src = images[x].src;
			if(/\/off\//.exec(src)) {
				var hover = src.replace(/\/off\//, '/on/');
				var img = new Image();
				img.src = hover;

				new function(src, hover, image){
					addEvent(image, 'mouseover', function() { image.src = hover; });
					addEvent(image, 'mouseout', function() { image.src = src; });
				}(src, hover, images[x]);
			}
		}
	});

}();