让图片抖动的JS代码

让图片抖动的JS代码

<SCRIPT language=javascript1.2>  
<!--  
var rector=2  
var stopit=0  
var a=1  
var count=0  
function init(which){  
stopit=0  
shake=which  
shake.style.left=0  
shake.style.top=0  
}  
function rattleimage(){  
if ((!document.all&&!document.getElementById)||stopit==1||count==100)  
return  
count++  
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()",50)  
}  
function stoprattle(which){  
stopit=1  
count=0  
which.style.left=0  
which.style.top=0  
}  
//-->  
</SCRIPT>  
<style>.shakeimage {POSITION: relative}  
</style>  
<img src="图片的路径" onmouseout=stoprattle(this) onmouseover=init(this);rattleimage() class=shakeimage>