codice:
var cle=false;
function clifot(pht) { 
 if(cle) clefot(); 
 document.getElementById("myfot").innerHTML="<DIV style='width: 500; height: 375; background-image: url(corn_00.jpg);'><TABLE width='100%' style='height: 100%;' cellpadding='0' cellspacing='0'><TR><TD align='center'>[img]"+pht+".jpg[/img]</TD></TR></TABLE></DIV>"; 
  cle = setTimeout(function (){clefot();}, 8000); 
} 
function clefot() { 
 document.getElementById("myfot").innerHTML=""; 
  clearTimeout(cle); 
  cle = false;
}