$(document).ready(function() {	
	var oldSrc = $('div#productImage div.image img').attr('src');

	$('div.smallImage img').mouseover(function(){
		var newSrc = $(this).attr('src').replace('&w=60','&w=200');
		$('div#productImage div.image img').attr('src', newSrc);
	});
	
	$('div.smallImage img').mouseout(function(){
		$('div#productImage div.image img').attr('src', oldSrc);
	});
});