var sw_mu_index_activate = (function(){
	
	if(document.images && document.getElementById){
		var w2Over, w2Out, visualOver, visualOut, mp3Over, mp3Out;
		
		w2Over = new Image();
		w2Out = new Image();
		visualOver = new Image();
		visualOut = new Image();
		mp3Over = new Image();
		mp3Out = new Image();
		
		w2Over.src = "images/48x36.gif";
		w2Out.src = "images/48x36.png";
		visualOver.src = "images/smpteicn.gif";
		visualOut.src = "images/smpteigr.jpg";
		mp3Over.src = "images/sony.png";
		mp3Out.src = "images/mund-.png";
		
		function changeImg(img, newImg){
			img.src = newImg.src;
		};
		
		return function(){
			var w2 = document.getElementById("w2");
			var visual = document.getElementById("visual");
 			var mp3 = document.getElementById("mp3");
			
			var w2Link = w2.parentNode;
			var visualLink = visual.parentNode;
			var mp3Link = mp3.parentNode;
			
			w2Link.onmouseover = function(){
				changeImg(w2, w2Over);
			};
			w2Link.onmouseout = function(){
				changeImg(w2, w2Out);
			};
			visualLink.onmouseover = function(){
				changeImg(visual, visualOver);
			};
			visualLink.onmouseout = function(){
				changeImg(visual, visualOut);
			};
// 			mp3Link.onmouseover = function(){
// 				changeImg(mp3, mp3Over);
// 			};
// 			mp3Link.onmouseout = function(){
// 				changeImg(mp3, mp3Out);
// 			};
		};
	} else { return function(){} };
}) ();