//image rotation created on April 5, 2006 
function linkRotate()
{
 num=imgArrayLink.length;
 incr=Math.floor(Math.random()*num);
 document.open();
 document.write("<img src='/images/index-links/" + imgArrayLink[incr] + "' alt='' width='175' height='100'  />"); 
document.close();
}