var imagenumber = 5;

var randomnumber = Math.random() ;

var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;

images = new Array

images[1] = "http://www.youthfortechnology.org/images/banner16.jpg"

images[2] = "http://www.youthfortechnology.org/images/banner17.jpg"

images[3] = "http://www.youthfortechnology.org/images/banner18.jpg"

images[4] = "http://www.youthfortechnology.org/images/banner19.jpg"

images[5] = "http://www.youthfortechnology.org/images/banner20.jpg"




var image = images[rand1] ;

<!--var linknumber = 6 ;

<!--var img1 = Math.round( (linknumber-1) * randomnumber) + 1 ;

<!--links = new Array

<!--links[1] = "http://www.youthfortechnologyfoundation.org"

<!--links[2] = "http://www.youthfortechnologyfoundation.org"

<!--links[3] = "http://www.youthfortechnologyfoundation.org"

<!--var link = links[img1];

document.write('<img src="' + image + '" border="0">') ;