var lastChild ="";

function showvideo(p_url,p_previewImage) 
{
	if(lastChild!="")
	{
		removeVideo();
	}		
	  
	var ni = document.getElementById('myDiv');				 
	var newdiv = document.createElement('div');				 
	newdiv.setAttribute('id','newMyDiv');
	lastChild =newdiv; 
	newdiv.innerHTML = '<embed src="http://www.tvlesson.com/tvlesson/hdflvplayer/hdplayer.swf?autoplay=true" flashvars="streamer='+p_url+'" allowfullscreen="true" allowScriptAccess="always" wmode="transparent" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="431" height="244"></embed>';
	ni.appendChild(newdiv);

/*
	var s1 = new SWFObject('http://www.tvlesson.com/tvlesson/hdflvplayer/hdplayer.swf?autoplay=true','player','100%','100%','9');
	s1.addParam('allowfullscreen','true');
	s1.addParam('allowscriptaccess','always');
	s1.addParam('wmode','transparent');
	s1.addParam('flashvars','streamer='+p_url);
	s1.write('newMyDiv');
*/
}

function removeVideo() 
{
	var d = document.getElementById('myDiv');
	d.removeChild(lastChild);
	lastChild = "";
}