// JavaScript Document

<!-- RANDOM BANNER IMAGES CATS -->

var theImages = new Array() 

theImages[0] = 'images/Cat01_02.jpg'
theImages[1] = 'images/Cat02_02.jpg'
theImages[2] = 'images/Cat03_02.jpg'
theImages[3] = 'images/Cat04_02.jpg'
theImages[4] = 'images/Cat05_02.jpg'
theImages[5] = 'images/Cat06_02.jpg'
theImages[6] = 'images/Cat07_02.jpg'
theImages[7] = 'images/Cat08_02.jpg'
theImages[8] = 'images/Cat09_02.jpg'
theImages[9] = 'images/Cat10_02.jpg'
theImages[10] = 'images/Cat11_02.jpg'
theImages[11] = 'images/Cat12_02.jpg'
theImages[12] = 'images/Cat13_02.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="'+theImages[whichImage]+'">');
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; ia.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&id.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
<!-- END RANDOM BANNER IMAGES script -->