var theImages = new Array() // do not change this
// To add more image files, continue with the pattern below, adding to the array.

theImages[0] = 'fish';
theImages[1] = 'lizard';

// do not edit anything below this line

var p = theImages.length;
var preBuffer = new Array()
for (var 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.getElementById('h_header').className = 'home_' + theImages[whichImage];
}