<script type="text/javascript">function uploadinajax(){new _uWnd('uploadfile','$USERNAME$ - $TITLE$.mp3 online плеер',600,400,{align:0,shadow:1,autosize:1,resize:0},'<iframe src="$ENTRY_URL$" style="width:600px; height:400px; margin:0px; border:0px;"></iframe>'); }</script>   
<a href="javascript:;" onclick="uploadinajax();"></a>

<script type="text/javascript">function uploadinajax(){new _uWnd.alert('<iframe src="$ENTRY_URL$" style="width:600px; height:400px; margin:0px; border:0px;"></iframe>','$USERNAME$ - $TITLE$.mp3 online плеер',{w:600,h:400,tm:0});}</script>      
<a href="javascript:;" onclick="uploadinajax();">Открыть</a>