var mouseOvers = new Array();
	var mouseOuts = new Array();

	window.onload = function () {
		MouseOvers("nav");
	}

	function MouseOvers (section) {
		var nav = document.getElementById(section);
		var imgs = nav.getElementsByTagName("img");

		for (i = 0; i < imgs.length; i++) {
			if (imgs[i].id != 'mouseovers_current') { 
			imgs[i].onmouseover = function () {
				this.src = mouseOvers[this.number].src;
			}
			imgs[i].onmouseout = function () {
				this.src = mouseOuts[this.number].src;		
			}
		}
			var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
			mouseOuts[i] = new Image();
			mouseOuts[i].src = imgs[i].src;
			mouseOvers[i] = new Image();
			mouseOvers[i].src = imgs[i].src.substring(0, imgs[i].src.lastIndexOf('.')) + "_on" + suffix;
			imgs[i].number = i;
		}
	}