function nu_ranPic() {
	numOfPics = nu_pics.length;
	while (true) {
		ran = Math.random();
		if (numOfPics < 10) {
			ran = Math.floor((ran * 10));
		} else if (numOfPics < 100) {
			ran = Math.floor((ran * 100));
		} else if (numOfPics < 1000) {
			ran = Math.floor((ran * 1000));
		}
		if (ran < numOfPics) { break; }
	}
	document.write("<img src=\""+nu_pics[ran][0]+"\" width=\"249\" height=\"249\" border=\"0\" alt=\""+nu_pics[ran][1]+"\">");
}