function randomImage () {

var numb = 6 // Number of images
imageArray = new Array();
imageArray[0] = "icon1.jpg";
imageArray[1] = "icon2.jpg";
imageArray[2] = "icon3.jpg";
imageArray[3] = "icon4.jpg";
imageArray[4] = "icon5.jpg";
imageArray[5] = "icon6.jpg";
var arrayIndex = Math.round(Math.random()*numb);
		if (arrayIndex >= numb)
			arrayIndex = 0;
		var randImage = imageArray[arrayIndex];
		document.write("<img src=images/icons/" + randImage + " width=521 height=526 border=0>");
}