html {
    height: 100%;
    width: 100%;
    background-color: #D7D7D7;
    background-image: -webkit-radial-gradient(contain, #F2F2F2, #D1D1D1);
    background-image:    -moz-radial-gradient(contain, #F2F2F2, #D1D1D1);
    background-image:     -ms-radial-gradient(contain, #F2F2F2, #D1D1D1);
    background-image:      -o-radial-gradient(contain, #F2F2F2, #D1D1D1);
    background-image:         radial-gradient(contain, #F2F2F2, #D1D1D1);
}
body {
    margin: 0;
    height: 100%;
    width: 100%;
    text-align: center;
    font-family: Arial, sans-serif;
    background-image:url(data:image/png;base64,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);
}
body:before {
    content: '';
    display: inline-block;
    width: 0; height: 100%;
    vertical-align: middle;
}

#pagination {
    display: inline-block;
    vertical-align: middle;
    border-radius: 4px;
    padding: 1px 2px 4px 2px;
    border-top: 1px solid #AEAEAE;
    border-bottom: 1px solid #FFFFFF;
    background-color: #DADADA;
    background-image: -webkit-linear-gradient(top, #DBDBDB, #E2E2E2);
    background-image:    -moz-linear-gradient(top, #DBDBDB, #E2E2E2);
    background-image:     -ms-linear-gradient(top, #DBDBDB, #E2E2E2);
    background-image:      -o-linear-gradient(top, #DBDBDB, #E2E2E2);
    background-image:         linear-gradient(top, #DBDBDB, #E2E2E2);
}
#pagination a, #pagination i {
    display: inline-block;
    vertical-align: middle;
    width: 22px;
    color: #7D7D7D;
    text-align: center;
    font-size: 10px;
    padding: 3px 0 2px 0;
    -webkit-user-select:none;
       -moz-user-select:none;
        -ms-user-select:none;
         -o-user-select:none;
            user-select:none;
}

#pagination a {
    margin: 0 2px 0 2px;
    border-radius: 4px;
    border: 1px solid #E3E3E3;
    cursor: pointer;
    box-shadow: inset 0 1px 0 0 #FFF, 0 1px 2px #666;
    text-shadow: 0 1px 1px #FFF;
    background-color: #E6E6E6;
    background-image: -webkit-linear-gradient(top, #F3F3F3, #D7D7D7);
    background-image:    -moz-linear-gradient(top, #F3F3F3, #D7D7D7);
    background-image:     -ms-linear-gradient(top, #F3F3F3, #D7D7D7);
    background-image:      -o-linear-gradient(top, #F3F3F3, #D7D7D7);
    background-image:         linear-gradient(top, #F3F3F3, #D7D7D7);
}
#pagination i {
    margin: 0 3px 0 3px;
}
#pagination a.current {
    border: 1px solid #E9E9E9;
    box-shadow: 0 1px 1px #999;
    background-color: #DFDFDF;
    background-image: -webkit-linear-gradient(top, #D0D0D0, #EBEBEB);
    background-image:    -moz-linear-gradient(top, #D0D0D0, #EBEBEB);
    background-image:     -ms-linear-gradient(top, #D0D0D0, #EBEBEB);
    background-image:      -o-linear-gradient(top, #D0D0D0, #EBEBEB);
    background-image:         linear-gradient(top, #D0D0D0, #EBEBEB);
}

/* * * * * * * * * * * * * * * * *
 * Pagination
 * javascript page navigation
 * * * * * * * * * * * * * * * * */

var Pagination = {

    code: '',

    // --------------------
    // Utility
    // --------------------

    // converting initialize data
    Extend: function(data) {
        data = data || {};
        Pagination.size = data.size || 300;
        Pagination.page = data.page || 1;
        Pagination.step = data.step || 3;
    },

    // add pages by number (from [s] to [f])
    Add: function(s, f) {
        for (var i = s; i < f; i++) {
            Pagination.code += '<a>' + i + '</a>';
        }
    },

    // add last page with separator
    Last: function() {
        Pagination.code += '<i>...</i><a>' + Pagination.size + '</a>';
    },

    // add first page with separator
    First: function() {
        Pagination.code += '<a>1</a><i>...</i>';
    },



    // --------------------
    // Handlers
    // --------------------

    // change page
    Click: function() {
        Pagination.page = +this.innerHTML;
        Pagination.Start();
    },

    // previous page
    Prev: function() {
        Pagination.page--;
        if (Pagination.page < 1) {
            Pagination.page = 1;
        }
        Pagination.Start();
    },

    // next page
    Next: function() {
        Pagination.page++;
        if (Pagination.page > Pagination.size) {
            Pagination.page = Pagination.size;
        }
        Pagination.Start();
    },



    // --------------------
    // Script
    // --------------------

    // binding pages
    Bind: function() {
        var a = Pagination.e.getElementsByTagName('a');
        for (var i = 0; i < a.length; i++) {
            if (+a[i].innerHTML === Pagination.page) a[i].className = 'current';
            a[i].addEventListener('click', Pagination.Click, false);
        }
    },

    // write pagination
    Finish: function() {
        Pagination.e.innerHTML = Pagination.code;
        Pagination.code = '';
        Pagination.Bind();
    },

    // find pagination type
    Start: function() {
        if (Pagination.size < Pagination.step * 2 + 6) {
            Pagination.Add(1, Pagination.size + 1);
        }
        else if (Pagination.page < Pagination.step * 2 + 1) {
            Pagination.Add(1, Pagination.step * 2 + 4);
            Pagination.Last();
        }
        else if (Pagination.page > Pagination.size - Pagination.step * 2) {
            Pagination.First();
            Pagination.Add(Pagination.size - Pagination.step * 2 - 2, Pagination.size + 1);
        }
        else {
            Pagination.First();
            Pagination.Add(Pagination.page - Pagination.step, Pagination.page + Pagination.step + 1);
            Pagination.Last();
        }
        Pagination.Finish();
    },



    // --------------------
    // Initialization
    // --------------------

    // binding buttons
    Buttons: function(e) {
        var nav = e.getElementsByTagName('a');
        nav[0].addEventListener('click', Pagination.Prev, false);
        nav[1].addEventListener('click', Pagination.Next, false);
    },

    // create skeleton
    Create: function(e) {

        var html = [
            '<a>&#9668;</a>', // previous button
            '<span></span>',  // pagination container
            '<a>&#9658;</a>'  // next button
        ];

        e.innerHTML = html.join('');
        Pagination.e = e.getElementsByTagName('span')[0];
        Pagination.Buttons(e);
    },

    // init
    Init: function(e, data) {
        Pagination.Extend(data);
        Pagination.Create(e);
        Pagination.Start();
    }
};



/* * * * * * * * * * * * * * * * *
* Initialization
* * * * * * * * * * * * * * * * */

var init = function() {
    Pagination.Init(document.getElementById('pagination'), {
        size: 30, // pages size
        page: 1,  // selected page
        step: 3   // pages before and after current
    });
};

document.addEventListener('DOMContentLoaded', init, false);