범용적인 롤오버 스크립트

<script type="text/javascript">
$(function(){
	$("img.rollover").mouseover(function(){
		$(this).attr("src",$(this).attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
	}).mouseout(function(){
		$(this).attr("src",$(this).attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
	});
});
</script>