$(function() {
    
    var login = 'al';
    var domain = 'alweb.org';
    var email = login + '@' + domain;
    var facetime = login + '@' + domain;
    var jabber = login + '@jabber.' + domain;;
    
    function resize()
    {
        var services = $('ul.services');
        var top = Math.max(0, Math.round($(window).height() / 2.5 - services.height() / 2));
        services.css('top', top + 'px');
    } // resize
    
    resize();
    $(window).on('resize', resize);
    
    $('ul.services li.email a').attr('href', 'mailto:' + email).attr('title', email);
    $('ul.services li.facetime a').attr('href', 'facetime:' + facetime).attr('title', facetime)
    $('ul.services li.jabber a').attr('href', 'jabber:' + jabber).attr('title', jabber);
    
});