function promoHomeRandom(){

var promoArray = new Array();
var i = 0;

promoArray[i++] = '<div id="corp-tagline"><h2><a href="http://www.jboss.org/gatein/" title="GateIn portal project available now"><img src="images/gatein-promo.png" alt="GateIn portal project available now" width="590" height="255" usemap="#map" /></a></h2></div>';


var randNum = Math.floor(Math.random()*promoArray.length);
 
document.write(promoArray[randNum]);

}