var r_image= new Array(7)
r_image[0]="../topimages/tpic001.jpg";
r_image[1]="../topimages/tpic002.jpg";
r_image[2]="../topimages/tpic003.jpg";
r_image[3]="../topimages/tpic004.jpg";
r_image[4]="../topimages/tpic005.jpg";
r_image[5]="../topimages/tpic006.jpg";
r_image[6]="../topimages/tpic007.jpg";
var rand_int= Math.floor(Math.random()*7);
document.write("<img src='"+r_image[rand_int]+"'>");