function showMovie(objImg) {
	var sImg1 = "video-sq3ts.jpg";
	var sImg2 = "video-sq2.jpg";
	var sImg3 = "video-sq4.jpg";
	var sMessage1 = "Bridge rehabilitation project that forced traffic to share one lane was the perfect use for the SQ3 portable traffic control device.";
	var sLink1 = "traffic-control-device/video-view.php?v=sq3ts&m="+sMessage1;
	var sLink2 = "traffic-control-device/video-view.php?v=sq2";
	var sLink3 = "traffic-control-device/video-view.php?v=sq4";
	var sCurrImage = "";
	
	// determine which video to display
	switch (objImg) {
		case "1":
			sCurrImage = sImg1;
			sCurrLink = sLink1;
			break;
		case "2":
			sCurrImage = sImg2;
			sCurrLink = sLink2;
			break;
		case "3":
			sCurrImage = sImg3;
			sCurrLink = sLink3;
			break;
	}
	
	// display the video preview image
	document.getElementById('video').src = "images/" + sCurrImage;
	
	// display the "View Video" hyperlink to the full-size video
	document.getElementById('video-clickhere').style.display = "block";
	document.getElementById('video-clickhere').innerHTML = "View Video";
	document.getElementById('video-clickhere').href = sCurrLink;
} // showMovie()