//writes object/embed tags for video player to page.  Moved to external file to prevent "Activate" prompt.
function switchVid(contentType,contentIndex,autoStart) {

	switch (contentType) {
		case 1:
			vidArray = aKeynoteVideos;
			titleArray = aKeynoteTitles;
			captionArray = aKeynoteCaptions;
			break;
		case 2:
			vidArray = aOtherVideos;
			titleArray = aOtherTitles;
			captionArray = aOtherCaptions;
			break;
	}

	var vidPlayerHTML = '';
	var vidPlayerHTML = '';
	var captionHTML = '';
	
	
	//writes embedded Windows Media Player HTML
	vidPlayerHTML = vidPlayerHTML + '<object id="MediaPlayer" style="padding: 0px; margin:0px;" width="238" height="224"';
 	vidPlayerHTML = vidPlayerHTML + 'classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95"';
	vidPlayerHTML = vidPlayerHTML + 'standby="Loading Windows Media Player components..."'; 
	vidPlayerHTML = vidPlayerHTML + 'type="application/x-oleobject">';
	vidPlayerHTML = vidPlayerHTML + '<param name="AutoStart" value="true" />';
	vidPlayerHTML = vidPlayerHTML + '<param name="ShowControls" value="true" />';
	vidPlayerHTML = vidPlayerHTML + '<param name="ShowPositionControls" value="true" />';
	vidPlayerHTML = vidPlayerHTML + '<param name="FileName" value="' + vidArray[contentIndex] + '" />';
	vidPlayerHTML = vidPlayerHTML + '<embed type="application/x-mplayer2"';
	vidPlayerHTML = vidPlayerHTML + 'src="' + vidArray[contentIndex] + '"';
	vidPlayerHTML = vidPlayerHTML + 'name="MediaPlayer"';
	vidPlayerHTML = vidPlayerHTML + 'autostart="true"';
	vidPlayerHTML = vidPlayerHTML + 'showcontrols="true"';
	vidPlayerHTML = vidPlayerHTML + 'showpositioncontrols="true"';
	vidPlayerHTML = vidPlayerHTML + 'width="238"';
	vidPlayerHTML = vidPlayerHTML + 'height="224" style="padding: 0px; margin:0px;">';
	vidPlayerHTML = vidPlayerHTML + '</embed>';
	vidPlayerHTML = vidPlayerHTML + '</object>';
	
	//writes the caption while playing
	captionHTML = captionHTML + '<p>' + titleArray[contentIndex] + '</p><br />';
	captionHTML = captionHTML + '<p>' + captionArray[contentIndex] + '</p>';
	captionHTML = captionHTML + '<br><p style="font-size:9px; color: #778899">Press "Stop" then "Play" if video does not start playing within 3-5 seconds.&nbsp;&nbsp;<a href="' + vidArray[contentIndex] + '" class="content" style="text-align: right"><strong>Click here</strong></a> to open video in external player.</p>';
	
		
	//hide unused divs
	document.getElementById("vidNavMenu").style.display = 'none';
	document.getElementById("vidImageDiv").style.display = 'none';
	document.getElementById("subMenuContent").style.display = 'none';

	//turn on nav
	document.getElementById("vidNavPlaying").style.display = 'block';

	//write HTML to player div
	document.getElementById("vidPlayer").style.display = 'block';
	document.getElementById("vidPlayer").innerHTML = vidPlayerHTML;
	document.MediaPlayer.URL = vidArray[contentIndex];
	
	//write HTML to caption div
	document.getElementById("vidCaption").style.display = 'block';
	document.getElementById("vidCaption").innerHTML = captionHTML;

}

function showVidMenu() {
	
	
	//hide player and caption
	document.getElementById("vidNavPlaying").style.display = 'none';
	document.getElementById("vidPlayer").style.display = 'none';
	document.getElementById("vidCaption").style.display = 'none';
	
	//show screen shot and menu divs
	document.getElementById("vidNavMenu").style.display = 'block';
	document.getElementById("vidImageDiv").style.display = 'block';
	document.getElementById("subMenuContent").style.display = 'block';
	

}