<span id="jumpSec">5</span>

<script type="text/javascript">    
function jumpLogin(){       
 var idSec = getElmID(''jumpSec'');
 nSec = idSec.innerHTML;
 if(nSec>0) { idSec.innerHTML = nSec-1; }
 if(nSec<=0) { location.href=''<?php echo $gourl; ?>''; }      
 else { setTimeout("jumpLogin()",1000); }     
} setTimeout("jumpLogin()",1000);   
</script>