function switchImage(el_id,img_src) {
			document.getElementById(el_id).src=img_src;
		}
		
		// This script was supplied free by Hypergurl
// http://www.hypergurl.com
// JavaScript to interpolate random images into a page.
var ic=10 //Number of alternative images 
var random_images = new Array(ic);  // Array to hold filenames
random_images[0] = "images/random/npmgroup_tier2_07a.jpg";
random_images[1] = "images/random/npmgroup_tier2_07b.jpg";
random_images[2] = "images/random/npmgroup_tier2_07c.jpg";
random_images[3] = "images/random/npmgroup_tier2_07d.jpg";
random_images[4] = "images/random/npmgroup_tier2_07e.jpg";
random_images[5] = "images/random/npmgroup_tier2_07f.jpg";
random_images[6] = "images/random/npmgroup_tier2_07g.jpg";
random_images[7] = "images/random/npmgroup_tier2_07h.jpg";
random_images[8] = "images/random/npmgroup_tier2_07i.jpg";
random_images[9] = "images/random/npmgroup_tier2_07j.jpg";

function pickRandom(range) {
	if (Math.random)
		return Math.round(Math.random() * (range-1));
	else {
		var now = new Date();
		return (now.getTime() / 1000) % range;
	}
}
// Write out an IMG tag, using a randomly-chosen image name.
var choice = pickRandom(ic);
//