function bannerRotate(){
	var now = new Date();
	var mytime = Math.floor(now.getTime()/1000)
	var rand = Math.floor(mytime % 6)
	document.writeln('<IMG SRC="images/hp_' + img[rand] + '.jpg" ALT="' + alt[rand] + '" WIDTH=261 HEIGHT=315 BORDER=0 ALIGN=top>');
}