Между тегами <body>....</body> вставляем
Code
<style>
.myimage{
position:relative
}</style>
Ну,а ето в любое место.
Code
<script language="JavaScript1.2">
var rector=2
var stopit=0
var a=1
function init(which){
stopit=0//osw
shake=which
shake.style.left=2
shake.style.top=2
}
function rattleimage(){
if ((!document.all&&!document.getElementById)||stopit==1)
return//ссылка(без http)
if (a==1){
shake.style.top=parseInt(shake.style.top)+rector
}
else if (a==2){
shake.style.left=parseInt(shake.style.left)+rector
}
else if (a==3){
shake.style.top=parseInt(shake.style.top)-rector
}
else{
shake.style.left=parseInt(shake.style.left)-rector
}
if (a<4)
a++
else
a=1
setTimeout("rattleimage()",65)
}
function stoprattle(which){
stopit=1
which.style.left=0
which.style.top=0
}
</script>
<a href="http://ссылка"><img src="http://путь_к_картинке.jpg" class="myimage" onMouseover="init(this);rattleimage()" onMouseout="stoprattle(this);top.focus()" onClick="top.focus()" border=0></a>
Пример