//image rotation created on April 5, 2006 
 num=backgroundArtsTechImage.length;
 incr=Math.floor(Math.random()*num);


function backgroundArtsTechImageRotate()
{
 document.open();
 document.write("<div id='academicBox04' style='background-image: url(/arts_tech/images/academics/"+backgroundArtsTechImage[incr]+");'>");
document.close();
}