var imagenumber = 5 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;

var imagenumber2 = 4 ;
var randomnumber2 = Math.random() ;
var rand12 = Math.round( (imagenumber2-1) * randomnumber2) + 1 ;


images = new Array
images[1] = "images/litebilde1.jpg"
images[2] = "images/litebilde2.jpg"
images[3] = "images/litebilde3.jpg"
images[4] = "images/litebilde4.jpg"
images[5] = "images/litebilde5.jpg"

images2 = new Array
images2[1] = "images/visstedu.gif"
images2[2] = "images/visstedu2.gif"
images2[3] = "images/visstedu3.gif"
images2[4] = "images/visstedu4.gif"



var image = images[rand1]
var image2 = images2[rand12]