constructor param titl titl window param icon icon window splash screen titl icon set cursor cursor predefin cursor cursor wait cursor content pane set layout border layout splash panel panel splash panel icon panel imag img width panel imag icon width img height panel imag icon height point scr center graphic environ local graphic environ center point set locat scr center img width scr center img height panel splash panel border layout splash set border etch border etch border rais splash add panel border layout center splash add statu bar border layout south content pane add splash add preload progress bar dimens content pane size content pane prefer size set size content pane size width content pane size height pack 