adimage = new Array;
adurl   = new Array;
adtitle = new Array;

var i = randomg();

function randomg()
{ var random_number = new Date().getSeconds();
return Math.floor(random_number*(adimage.length-1/60)); };

function set_url()
{ window.open(adurl[i], '_blank'); };

function change_src()
{ if (i<adimage.length-1) { i++; }
else { i=0; };
document.banner.src=adimage[i];
document.banner.title=adtitle[i];
setTimeout('change_src()', delay); };