var layerwidth = 600
var carspeed = 4
var carimage = '<img src="images/car.jpg"><img src="../images/blank.gif" width="93" height="1"><img src="images/car.jpg">'
var imagewidth = 279

function refresh()
{
   if (document.layers)
   {
      // Netscape
      document.carlayer.visibility="show"
      intializelayer()
      movecar()
   }
}

function intializelayer()
{
   document.carlayer.document.width = layerwidth
   document.carlayer.document.car.document.width = layerwidth
   document.carlayer.document.car.left = layerwidth
}

function movecar()
{
   if (document.carlayer.document.car.left + imagewidth > 0)
      document.carlayer.document.car.left -= carspeed
   else
      document.carlayer.document.car.left = layerwidth
   setTimeout("movecar()",100)
}

window.onload=refresh