function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="/img/banners/banner4.gif"
myimages[2]="/img/banners/banner4.gif"


//specify corresponding links below
var imagelinks=new Array()
imagelinks[1]="/contact.php?auto_comments=Book%20an%20Appointment&id=-1&dept=2"
imagelinks[2]="/contact.php?auto_comments=Book%20an%20Appointment&id=-1&dept=2"



var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" border=0></a>')
}
random_imglink()