var imagenumber = 6 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "/images/random/img01.jpg"
images[2] = "/images/random/img02.jpg"
images[3] = "/images/random/img03.jpg"
images[4] = "/images/random/img04.jpg"
images[5] = "/images/random/img05.jpg"
images[6] = "/images/random/img06.jpg"
var image = images[rand1]