var r_image = new Array (5)
r_image[0] = "images/photo023.jpg";
r_image[1] = "images/photo015.jpg";
r_image[2] = "images/photo016.jpg";
r_image[3] = "images/photo024.jpg";
r_image[4] = "images/photo025.jpg";
var rand_int=Math.floor(Math.random()*5);