// JavaScript Document

var randomnumber=Math.floor(Math.random()*4);



var myArray = new Array();



myArray[0] = "<img src='rand/1.jpg'>";

myArray[1] = "<img src='rand/2.jpg'>";

myArray[2] = "<img src='rand/3.jpg'>";

myArray[3] = "<img src='rand/4.jpg'>";



function showRandomContent()

{

	var str = myArray[randomnumber];

	document.getElementById("mainCell").innerHTML = str;

}