//-- Generate a random number between 0 and max.
function randomNum(max) {
  var rNum=NaN
  while (isNaN(rNum)) {
    rNum=Math.floor(Math.random()*(max))
  }
  return rNum
}
//-- Set up array of images to choose from.
var pic = new Array()
pic[0]="/images/banners/calmini.gif"
pic[1]="/images/banners/full_traction.gif"
pic[2]="/images/banners/hi_lift.gif"
pic[3]="/images/banners/optima.gif"
pic[4]="/images/banners/mickey_thompson.gif"
pic[5]="/images/banners/warn.gif"

var ref = new Array()
ref[0]="/calmini/index.htm"
ref[1]="/full_traction/index.htm"
ref[2]="/hi_lift/index.htm"
ref[3]="/optima/index.htm"
ref[4]="/mickey_thompson/index.htm"
ref[5]="/warn/index.htm"