if ( document.getElementsByName('description')[0].getAttribute('content') ) {
    description = document.getElementsByName('description')[0].getAttribute('content')
} else {
    description = document.title;
}    
$(function() {
    $('#hatena').socialbutton('hatena', {
        button: 'standard', // standard, vertical, simple
        url: document.URL,
        title: description
    });
    $('#mixi_check').socialbutton('mixi_check', {
        button: 'button-1', // button-1,button-2,button-3,button-4,button-5
        url: document.URL,
        key: '97bcf99680f028058e9b0bd93dec2cd6ecb28452'
    });
    $('#tweet').socialbutton('twitter', {
        button: 'horizontal',  // vertical / horizontal / none
        url: document.URL,
        text: description
    });
    $('#facebook_like').socialbutton('facebook_like', {
        button: 'button_count', // standard / button_count / box_count
        url: document.URL,
        show_faces: false,
    });
    $('#facebook_share').socialbutton('facebook_share', {
        button: 'button_count', // box_count button icon_link icon
        url: document.URL,
        text:'Share',
    });
});