var rector=3 
var stopit=0  
var a=1 
 
function init(which){ 
stopit=0 
shake=which 
shake.style.left=0 
shake.style.top=0 
} 
 
function rattleimage(){ 
if ((!document.all&&!document.getElementById)||stopit==1) 
return 
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 
which.style.left=0 
which.style.top=0 
}