ww=832;

        hh=642;

        var height=0;

        var width=0;



        if (self.screen) // for NN4 and IE4

        {

                width = screen.width

                height = screen.height

        }

        else if (self.java) // for NN3 with enabled Java

        {

                      var jkit = java.awt.Toolkit.getDefaultToolkit();

                    var scrsize = jkit.getScreenSize();

                width = scrsize.width;

                height = scrsize.height;

        }



        if (width > 0 && height > 0)

        {



                xc=width/2-ww/2;

                yc=height/2-hh/2;

        }

        else

        {



                xc=0;

                yc=0;

        }





        function wndopen(name,widthWnd,heightWnd)

        {

                window.open(name,"_blank",'scrollbars=yes left='+xc+' top='+yc+' width='+widthWnd+',height='+heightWnd)

        }