the ch image vanishes, but when it reeapears, it goes to the left from the right! 

```
function rest()
{
img = document.getElementById('ch');
img.style.position= 'absolute';
img.style.top = '0px';
img.style.left = '0px';
img.style.visibility='hidden';

setTimeout(function(){reappearch()},3000);
}
function reappearch(){
img = document.getElementById('ch');
img.style.visibility='visible';
}

```

how do i do it