<script type="text/javascript">
function timer(){
var obj=document.getElementById('timer_inp');
obj.innerHTML--;
if (obj.innerHTML==0)
{
//document.location.href = 'cabinet';
setTimeout(function(){},1000);
}
else
{
setTimeout(timer,1000);
}
}
setTimeout(timer,1000);
</script><div>Осталось: <span id="timer_inp">10</span> сек.</div><br />