//configure shake degree (where larger # equals greater shake)
var rector=2

///////DONE EDITTING///////////
var stopit=0 
var a=1
var to=null;

function init(which){
stopit=0
a=1
shake=which
shake.style.left=0+'px'
shake.style.top=0+'px'
}

function rattleimage(){
clearTimeout(to);
if ((!document.all&&!document.getElementById)||stopit==1)
return
if (a==1){
shake.style.top=parseInt(shake.style.top)+rector+'px'
}
else if (a==2){
shake.style.left=parseInt(shake.style.left)+rector+'px'
}
else if (a==3){
shake.style.top=parseInt(shake.style.top)-rector+'px'
}
else{
shake.style.left=parseInt(shake.style.left)-rector+'px'
}
if (a<4)
a++
else
a=1
to=setTimeout("rattleimage()",50)
}

function stoprattle(which){
clearTimeout(to);
stopit=1
which.style.left=0+'px'
which.style.top=0+'px'
}

function returnObjById( id )
{
    if (document.getElementById)
        var returnVar = document.getElementById(id);
    else if (document.all)
        var returnVar = document.all[id];
    else if (document.layers)
        var returnVar = document.layers[id];
    return returnVar;
}

function start_shake(id){
init(returnObjById(id))
rattleimage()
}

function stop_shake(id){
stoprattle(returnObjById(id))
top.focus()
}