// Define pics for the collage space in the following array.  It's set up for 4 collages now, but can be modified to include more or less.
var pics = ["placeholder. don't modify me. the zero item in the array is never called upon",
			"<img src=images/homepic1.jpg width=600 height=600 border=0><br>",
			"<img src=images/homepic2.jpg width=600 height=600 border=0><br>",
			"<img src=images/homepic3.jpg width=600 height=600 border=0><br>",
			"<img src=images/homepic4.jpg width=600 height=600 border=0><br>"]


// This calculates the random number.
var randomNumber = Math.ceil(Math.random() * 4);