// Define pics for the collage space in the following array. It's set up for 6 images 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",
"
",
"
",
"
",
"
",
"
",
"
"]
// This calculates the random number.
var randomNumber = Math.ceil(Math.random() * 6);