if (_ButtonPreview != "") {
	switch (NewState){
	    case 1:
	    //"Playstate: Stopped";
			document.getElementById(_ButtonPreview).src = imagePath + "btPlay/bt_play.gif";
			
			if (document.getElementById(_ButtonPreview).innerText != "") {
                document.getElementById(_ButtonPreview).innerText = "play";
            }
			_ButtonPreview = "";
			_ButtonState = 0;
	    break;
	
	    case 2:
	    //"Playstate: Paused";
			document.getElementById(_ButtonPreview).src = imagePath +  "btPlay/bt_pause.gif";
			_ButtonState = 2;
	    break;
	
	    case 3:
	    //"Playstate: Playing";
			document.getElementById(_ButtonPreview).src = imagePath +  "btPlay/bt_stop.gif";
			
			if (document.getElementById(_ButtonPreview).innerText != "") {
			    document.getElementById(_ButtonPreview).innerText = "stop";
			 }
			_ButtonState = 3;
	    break;
	
	    case 6:
	    //"Playstate: Buffering";
	    break;
	
	    case 7:
	    //"Playstate: Waiting";
			document.getElementById(_ButtonPreview).src = imagePath +  "btPlay/bt_load.gif";
			_ButtonState = 9;
	   break;
	
	    case 8:
	    //"Playstate: Media Ended";
			document.getElementById(_ButtonPreview).src = imagePath +  "btPlay/bt_play.gif";
			if (document.getElementById(_ButtonPreview).innerText != "") {
                document.getElementById(_ButtonPreview).innerText = "play";
            }
			_ButtonPreview = ""
			_ButtonState = 0;
	    break;
	
	    case 9:
	    //"Playstate: Transitioning";
			document.getElementById(_ButtonPreview).src = imagePath +  "btPlay/bt_load.gif";
			_ButtonState = 9;
	    break;
	
	    case 10:
	    //"Playstate: Ready";
			document.getElementById(_ButtonPreview).src = imagePath +  "btPlay/bt_play.gif";
			
			if (document.getElementById(_ButtonPreview).innerText != "") {
               document.getElementById(_ButtonPreview).innerText = "play";
            }
			_ButtonState = 0;
	    break;
	
	    // Other cases go here.
	    default:
	    //"Playstate: Other";
	}
}