function random_imglink_level2(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="images/ortho_banner.jpg"
myimages[2]="images/ortho_banner2.jpg"
myimages[3]="images/ortho_banner3.jpg"
myimages[4]="images/ortho_banner4.jpg"
myimages[5]="images/ortho_banner5.jpg"
myimages[6]="images/ortho_banner6.jpg"
myimages[7]="images/ortho_banner7.jpg"
myimages[8]="images/ortho_banner8.jpg"

//specify corresponding links below
var imagelinks=new Array()
imagelinks[1]="default.htm"
imagelinks[2]="default.htm"
imagelinks[3]="default.htm"
imagelinks[4]="default.htm"
imagelinks[5]="default.htm"
imagelinks[6]="default.htm"
imagelinks[7]="default.htm"
imagelinks[8]="default.htm"

var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" width="721" height="202" border="0" class="left"></a>')
}