var theImages = new Array() 
theImages[0] = 'banner-01.jpg';
theImages[1] = 'banner-02.jpg';
theImages[2] = 'banner-03.jpg';
theImages[3] = 'banner-04.jpg';
theImages[4] = 'banner-05.jpg';
theImages[5] = 'banner-06.jpg';
theImages[6] = 'banner-07.jpg';
theImages[7] = 'banner-08.jpg';
theImages[8] = 'banner-09.jpg';
theImages[9] = 'banner-10.jpg';
theImages[10] = 'banner-11.jpg';
theImages[11] = 'banner-12.jpg';
theImages[12] = 'banner-13.jpg';
theImages[13] = 'banner-14.jpg';
theImages[14] = 'banner-15.jpg';
theImages[15] = 'banner-16.jpg';
theImages[16] = 'banner-17.jpg';
theImages[17] = 'banner-18.jpg';
theImages[18] = 'banner-19.jpg';
theImages[19] = 'banner-20.jpg';
theImages[20] = 'banner-21.jpg';
theImages[21] = 'banner-22.jpg';
theImages[22] = 'banner-24.jpg';
theImages[22] = 'banner-24.jpg';
theImages[23] = 'banner-25.jpg';
theImages[24] = 'banner-26.jpg';
theImages[25] = 'banner-27.jpg';
theImages[26] = 'banner-28.jpg';
theImages[27] = 'banner-29.jpg';
theImages[28] = 'banner-30.jpg';
theImages[29] = 'banner-31.jpg';
theImages[30] = 'banner-32.jpg';
theImages[31] = 'banner-33.jpg';
theImages[32] = 'banner-34.jpg';
theImages[33] = 'banner-35.jpg';
theImages[34] = 'banner-36.jpg';
theImages[35] = 'banner-37.jpg';
theImages[36] = 'banner-38.jpg';
theImages[37] = 'banner-39.jpg';
theImages[38] = 'banner-40.jpg';
theImages[39] = 'banner-41.jpg';
theImages[40] = 'banner-42.jpg';
theImages[41] = 'banner-43.jpg';
theImages[42] = 'banner-44.jpg';
theImages[43] = 'banner-45.jpg';
theImages[44] = 'banner-46.jpg';
theImages[45] = 'banner-47.jpg';
theImages[46] = 'banner-48.jpg';
theImages[47] = 'banner-49.jpg';
theImages[48] = 'banner-50.jpg';
theImages[49] = 'banner-51.jpg';
theImages[50] = 'banner-52.jpg';
theImages[51] = 'banner-53.jpg';
theImages[52] = 'banner-54.jpg';
theImages[53] = 'banner-55.jpg';

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="images/others/'+theImages[whichImage]+'">');
}