<!-- 
	if (document.getElementById) { window.onload = swap };
	function swap() {
	var numimages=9;
	rndimg = new Array("img/bg/cho01-smallbw.jpg", "img/bg/cho02-smallbw.jpg", "img/bg/cho03-smallbw.jpg", "img/bg/cho04-smallbw.jpg", "img/bg/cho05-smallbw.jpg", "img/bg/kim01-smallbw.jpg", "img/bg/kim02-smallbw.jpg", "img/bg/kim03-smallbw.jpg", "img/bg/kim04-smallbw.jpg"); 
	x=(Math.floor(Math.random()*numimages));
	randomimage=(rndimg[x]);
	document.getElementById("submain").style.backgroundImage = "url("+ randomimage +")";
	}
//-->