var how_many_ads = 2;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
    if (ad==1)
		{
		url="javascript:;";
		alt="Shop";
		banner="homeHero/1a.jpg";
		width="590";
		height="477";
		}
	if (ad==2)
		{
		url="javascript:;";
		alt="Showroom";
		banner="homeHero/2a.jpg";
		width="590";
		height="385";
		}
document.write('<left>');
document.write('<a href=\"' + url + '\" target=\"_top\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
document.write('</left>');