var imagenumber = 5 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ; 
images = new Array 
images[1] = "emailcash_1.gif"
images[2] = "freead_1.gif"
images[3] = "newsad_1.gif"
images[4] = "emailcash_1.gif"
images[5] = "realmk_banner_mal.gif"
var myimage = images[rand1]
links = new Array 
links[1] = "/~bitola/redi/redi1btnec.html" 
links[2] = "/~bitola/redi/redi2btnfa.html"
links[3] = "/~bitola/redi/redi3btnnews.html"
links[4] = "/~bitola/redi/redi1btnec.html"
links[5] = "/~bitola/redi/redi5btnrm.html"
var mylink = links[rand1] 
document.write('<A HREF="' + mylink + '"><IMG border="0" src="' + myimage + '"></A>')