var NewWindow = null;
function popup( file, w, h )
{
	if( NewWindow != null ) NewWindow.close();
	NewWindow=window.open( file,'newWin', 'width=' + w + ',height=' + h +',left=0,top=0,toolbar=No,location=No,scrollbars=No,status=No,resizable=Yes,fullscreen=No');
	NewWindow.focus();
}