function popUpWindow( html, w, h, url )
{
    if( ! w ) w = screen.availWidth/2;
    if( ! h ) h = screen.availHeight/2;

    var params = "height=" + h + ",width=" + w +
	",menubar=no,scrollbars=yes,resizable=yes";

    var win = window.open( url, "PopUpWindow", params );
    win.opener = self;
//    newWindow.moveTo(screen.availWidth - ( w + sizeWindowDressing ), 10);
    win.moveTo( 10, 10 );
    win.focus();
    if( html ) win.document.write( html );
    win.document.close();
}