img = new Array();
//img[0] = "images/top/img_2012_1.jpg";
img[0] = "images/top/img_2012_2.jpg";
img[1] = "images/top/img_2012_3.jpg";
img[2] = "images/top/img_2012_4.jpg";
img[3] = "images/top/img_2012_5.jpg";
img[4] = "images/top/img_2012_6.jpg";

function topimg(){
	amount = img.length;
	No = Math.floor(Math.random()*amount);
	document.write("<img src='" + img[No] + "' border='0'>");
}