img = new Array();

img[0] = "in002.jpg";
img[1] = "pr009.jpg";
img[2] = "top001.jpg";
img[3] = "top002.jpg";
img[4] = "top003.jpg";

function setImage1(){
	amount = img.length;
	No = Math.floor(Math.random()*amount);
	document.write("<img src='images/top/" + img[No] + "' width='980' height='490' border='0'>");
	}