img = new Array();
img[0] = "bkg01.gif";
img[1] = "bkg02.gif";
img[2] = "bkg03.gif";
img[3] = "bkg04.gif";
img[4] = "bkg05.gif";
img[5] = "bkg06.gif";

function setImg()
{
	amount = img.length;
	No = Math.floor(Math.random()*amount);
	document.write("<img src='" + img[No] + "' border='0' width='1920' height='1200' alt='interlude... please wait for next. www.takazuya.com'>");
}