function updatede() {
var winl = (screen.width - 280) / 2;
var wint = (screen.height - 280) / 2;
win = window.open('../../update/update_enter_de.html','update','height=280,width=280,top='+wint+',left='+winl+',scrollbars=no')
if (parseInt(navigator.appVersion) >= 4) { 
win.window.focus(); 
}
}

function updateen() {
var winl = (screen.width - 280) / 2;
var wint = (screen.height - 280) / 2;
win = window.open('../../update/update_enter_en.html','update','height=280,width=280,top='+wint+',left='+winl+',scrollbars=no')
if (parseInt(navigator.appVersion) >= 4) { 
win.window.focus(); 
}
} 

function tetris() {
var winl = (screen.width - 402) / 2;
var wint = (screen.height - 285) / 2;
win = window.open('http://www.misterministeck.com/norbert/tetris/index.html','tetris','height=285,width=402,top='+wint+',left='+winl+',scrollbars=no,resizable=yes')
if (parseInt(navigator.appVersion) >= 4) { 
win.window.focus(); 
}
}