var theImages = new Array();

theImages[0] = 'homerolls01';
theImages[1] = 'homerolls02';
theImages[2] = 'homerolls03';
theImages[3] = 'homerolls04';
theImages[4] = 'homerolls05';
theImages[5] = 'homerolls06';
theImages[6] = 'homerolls07';
theImages[7] = 'homerolls08';
theImages[8] = 'homerolls09';
theImages[9] = 'homerolls10';
theImages[10] = 'homerolls11';

var p = theImages.length;
var whichImage = Math.round(Math.random()*(p-1));

function showHomeRoll() {
	changebackground(theImages[whichImage]);
}