function WinOpen(page){
                if ((navigator.appName=="Netscape")&& (parseInt(navigator.appVersion)<=4)) {
                        winwidth = screen.availWidth;
                        winheight = screen.availHeight;
                        msg=window.open(page,"","top=0,left=0,width="+winwidth+",height="+winheight+",scrollbars=yes,resizable=yes");
                }else{
                        msg=window.open(page,"","fullscreen=yes");
                }
        }