function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs.jpg"
myimages[2]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs2.jpg"
myimages[3]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs3.jpg"
myimages[4]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs4.jpg"
myimages[5]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs5.jpg"
myimages[6]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs6.jpg"
myimages[7]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs7.jpg"
myimages[8]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs8.jpg"
myimages[9]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs9.jpg"
myimages[10]="http://www.urmc.rochester.edu/pathology_lab_medicine/central_labs/images/header_central_labs10.jpg"
var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<img src="'+myimages[ry]+'" border=0>')
}
random_imglink()