function kik1()
{
document.getElementById("banner1").src = "images/tp_banner.png";
setTimeout( "kik2();", 3000); 
}

function kik2()
{
document.getElementById("banner1").src = "images/tp_banner2.png";
setTimeout( "kik3();", 3000); 
}

function kik3()
{
document.getElementById("banner1").src = "images/tp_banner3.png";
setTimeout( "kik1();", 3000); 
}