var theImages = new Array()
theImages[0] = 'Image_02/bannerpics1.jpg'
theImages[1] = 'Image_02/bannerpics2.jpg'
theImages[2] = 'Image_02/bannerpics3.jpg'
theImages[3] = 'Image_02/bannerpics4.jpg'
theImages[4] = 'Image_02/bannerpics5.jpg'
theImages[5] = 'Image_02/bannerpics6.jpg'
theImages[6] = 'Image_02/bannerpics7.jpg'
theImages[7] = 'Image_02/bannerpics8.jpg'
theImages[8] = 'Image_02/bannerpics9.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]+' " alt="Images from around the Tampa Bay area">');
}