codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
function pict(i,picture) {
 i.src = picture;
}
//-->
</script>

</head>
<body>
Using js function
[img]image1.gif[/img]


Using js
[img]image1.gif[/img]


onMouseDown & onMouseOut events 
[img]image1.gif[/img]

</body>
</html>