Opening dhtmlxwindow with attached iframe

Hi , i am opening a DHTMLXWindow on click of anchor tag, this window has got attached an iframe with an html page as source to it. when the page gets loaded for first time , and on clicking the link the window opens normally, where as when i click the same link again the window do not open as desired. attached is the code:

upload.jsp

Upload Photo:

browse.html

<script>
	
</script>

FB.js

function openUploadPhoto()
{
if (w1 != null) {
w1.detachObject();
dhxWins.window(“w1”).close();
w1 = null;
} else {

			w1 = dhxWins.createWindow("w1", 20, 30, 360, 200);
			
			dhxWins.window('w1').center();
			w1.setText("Upload Photo");
			w1.button("close").enable();
			dhxWins.window("w1").denyResize();
			dhxWins.window("w1").denyPark();
			w1.attachObject('iframeinner');
			document.getElementById('iframeinner').style.visibility="visible";
		}

}

Hi,

we need the completed demo to reproduce the problem (docs.dhtmlx.com/doku.php?id=othe … leted_demo)