var mt_imagenumber = 15 ;
var mt_randomnumber = Math.random() ;
var mt_rand = Math.round( (mt_imagenumber-1) * mt_randomnumber) + 1 ;
mt_images = new Array
mt_images[1] = "tickets/mt_tix001.jpg"
mt_images[2] = "tickets/mt_tix002.jpg"
mt_images[3] = "tickets/mt_tix003.jpg"
mt_images[4] = "tickets/mt_tix004.jpg"
mt_images[5] = "tickets/mt_tix005.jpg"
mt_images[6] = "tickets/mt_tix006.jpg"
mt_images[7] = "tickets/mt_tix007.jpg"
mt_images[8] = "tickets/mt_tix008.jpg"
mt_images[9] = "tickets/mt_tix009.jpg"
mt_images[10] = "tickets/mt_tix010.jpg"
mt_images[11] = "tickets/mt_tix011.jpg"
mt_images[12] = "tickets/mt_tix012.jpg"
mt_images[13] = "tickets/mt_tix013.jpg"
mt_images[14] = "tickets/mt_tix014.jpg"
mt_images[15] = "tickets/mt_tix015.jpg"

var mt_tix = mt_images[mt_rand]