function msgWindow(url,lang){
    if (document.all)
        var xMax = screen.width, yMax = screen.height;
    else
        if (document.layers)
            var xMax = window.outerWidth, yMax = window.outerHeight;
        else
            var xMax = 640, yMax=480;
    var xOffset = (xMax - 200)/2, yOffset = (yMax - 200)/2;
    window.open(url+lang+'.html','msgWin','width=250,height=30,directories=no,location=no,menubar=no,scrollbars=nostatus=no,toolbar=no,resizable=no,screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}