function popup(url, w, h) 
{
 var left   = (screen.width  - w)/2;
 var top    = ((screen.height - h)/2) - 30;
 //var top = 10;
 var params = 'width='+w+', height='+h;
 params += ', top='+top+', left='+left;
 params += ', directories=no';
 params += ', location=no';
 params += ', menubar=no';
 params += ', resizable=no';
 params += ', scrollbars=no';
 params += ', status=no';
 params += ', toolbar=no';
 newwin=window.open(url,'windowname5', params);
 if (window.focus) {newwin.focus()}
 return false;
}

function closeWin(){
	self.close();
}