<!-- Hide this script from old browsers --
var imagenumber = 4 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "01"
images[2] = "02"
images[3] = "03"
images[4] = "04"

var imageM = images[rand1]

// -- End Hiding Here -->