br_name  = navigator.appName;
br_vers = parseFloat(navigator.appVersion);

if (br_name  == "Netscape" && br_vers >= 3.0) { roll = 'true'; }
else if (br_name  == "Microsoft Internet Explorer" && br_vers >= 3.0) { roll = 'true'; }
else { roll = 'false'; }

function over(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function out(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }

if (roll == 'true')
{

    a1=new Image; a1.src="http://www.profcom.mitht.org/templates/profcom_end/images/page_t.png";
    a2=new Image; a2.src="http://www.profcom.mitht.org/templates/profcom_end/images/page_t2.png";
    a3=new Image; a3.src="http://www.profcom.mitht.org/templates/profcom_end/images/page_t2.png";

} 

var randHed = 2

  var quote = new Array(randHed+1)

  quote[0]=""

  quote[1]="1"

  quote[2]="2"

  function rndnumber(){

        var randscript = -1

        while (randscript < 0 || randscript > randHed || isNaN(randscript)){

                randscript = parseInt(Math.random()*(randHed+1))

        }

        return randscript

}

     quo = rndnumber()

     quox = quote[quo]