//image rotation created on April 5, 2006 
function profileRotate()
{
 num=imgArray1.length;
 incr=Math.floor(Math.random()*num);
 document.open(); 
 document.getElementById('layerMast').style.background = 'url( '+ imgArray1[incr] + ')  no-repeat'   ; 
document.close();
}