var theImages = new Array()

//theImages[0] = "images/HOME1.jpg";
theImages[0] = "images/HOME2.jpg";
theImages[1] = "images/HOME3.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="" height="370" width="750" />');
}