var IsVisible = false;
var isPlayFlash = "0";

function playVideo() {
	if (IsVisible) {
		writeFlash();
		
		if(document.all){
			//IE & Firefox
			document.all.video.style.visibility = "hidden";
		}
		if(!document.all && document.getElementById){
			//Netscape
			document.getElementById('video').style.visibility = "hidden";
		}		
		
		IsVisible = false;
	}
	else {
		writeFlash();
	
		//show it
		setTimeout("playVideoNow()",500);
		IsVisible = true;
	}
}

function playVideoNow() {
	if(document.all){
		document.all.video.style.display = "block";
		document.all.video.style.visibility = "visible";
	}
	if(!document.all && document.getElementById){
		document.getElementById('video').style.display = "block";
		document.getElementById('video').style.visibility = "visible";
	}
}

function writeFlash() {
	if (IsVisible) {
		isPlayFlash = "0";
	} else {
	    isPlayFlash = "1";
	}

	var swf = new SWFObject("http://www.arts4learning.org/mediastream/8a4l.swf", "a4lFlash", "342", "358", "8.0.0.0", "#ffffff");	
	swf.addParam("allowScriptAccess", "always"); 
	swf.addParam("wmode", "Transparent");
	swf.addParam("quality", "best");
	swf.addParam("menu", "false");
	swf.addParam("swliveconnect", "true");
	swf.addParam("base", "http://www.arts4learning.org/flash");
	swf.addVariable("playList", playList);
	swf.addVariable("isPlayFlash", isPlayFlash);
	swf.addVariable("baseUrl", "http://www.arts4learning.org/mediastream/");
	swf.addVariable("baseVideoUrl", "http://www.arts4learning.org/flash/");
	swf.write("flashcontent");
}