// Define pics in the following array.  It's set up for ten pics now, but can be modified to include as many as ten.
var pics = ["placeholder. don't modify me. the zero item in the array is never called upon",
			"images/img_home1.jpg",
			"images/img_home4.jpg",
			"images/img_home9.jpg",
			]
var pics2 = ["placeholder. don't modify me. the zero item in the array is never called upon",
			"images/img_home2.jpg",
			"images/img_home11.jpg",
			"images/img_home8.jpg",
			]
var pics3 = ["placeholder. don't modify me. the zero item in the array is never called upon",
			"images/img_home3.jpg",
			"images/img_home6.jpg",
			"images/img_home7.jpg",
			]
// This calculates the random number.
var randomNumber = Math.ceil(Math.random() * 3);

// This is a patch, since the random number output is 0-40.  This would need to be modified (by changing the greater than # in the if line and the # to subtract from random number in the line that follows) if more quotes are added.
if (randomNumber > 3) {
	randomNumber = randomNumber-3;
}