[Deff]

<script>
$(document).ready(function(){
var a1= '<a href="http://website.ru/"><img src="';
var a2= 'alt=" " border="0"></a>';
   $("div.item.active > img").each(function () {
	   $(this).replaceWith(a1+$(this).attr()+a2);
  });
});
</script>


<div class="item active">
			<img src="/alboms/3/7/slide_1.jpg" alt=" ">
					</div>
				<div class="item ">
			<img src="/alboms/3/7/slide_2.jpg" alt=" ">
					</div>
				<div class="item ">
			<img src="/alboms/3/7/slide_3.jpg" alt=" ">
					</div>
</div>