function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[0]="images/add_panel_1.gif"
myimages[1]="images/add_panel_2.gif"
myimages[2]="images/add_panel_3.gif"
myimages[3]="images/add_panel_4.gif"
myimages[4]="images/add_panel_1.gif"
//specify corresponding links below
var imagelinks=new Array()
imagelinks[0]="centerline220.html"
imagelinks[1]="centerline.html"
imagelinks[2]="swathxl.html"
imagelinks[3]="lh5000gps.html"
imagelinks[4]="centerline220.html"



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()
//-->