var imagenumber = 15 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "images/random/1.jpg"
images[2] = "images/random/2.jpg"
images[3] = "images/random/3.jpg"
images[4] = "images/random/4.jpg"
images[5] = "images/random/5.jpg"
images[6] = "images/random/6.jpg"
images[7] = "images/random/7.jpg"
images[8] = "images/random/8.jpg"
images[9] = "images/random/9.jpg"
images[10] = "images/random/10.jpg"
images[11] = "images/random/11.jpg"
images[12] = "images/random/12.jpg"
images[13] = "images/random/13.jpg"
images[14] = "images/random/14.jpg"
images[15] = "images/random/15.jpg"
var image = images[rand1]