// JavaScript Document
<!--

function showImg(){
divclass = new Array();

divclass[0] = "class='potential'"
divclass[1] = "class='empower'"
divclass[2] = "class='team'"
divclass[3] = "class='excellence'"

//returns array
var i = Math.round((divclass.length-1)*Math.random());
document.write("<div id='container_img' " + divclass[i] + "> &nbsp; </div>");

}
//done

// -->