<!--
logoImages=new Array("images/banner-rabbit.gif","images/banner-clinic.gif","images/banner-horse.gif","images/banner-stuLab.gif")

thisLogo=0

imgCt=logoImages.length

function rotate()  
{
 if (document.images) {
  thisLogo++
  if (thisLogo == imgCt) {
    thisLogo=0
}
document.randimg.src=logoImages[thisLogo]
setTimeout("rotate()", 4500)
} 
}