Array.prototype.shuffle = function() {
    var i = this.length;
    while(i){
        var j = Math.floor(Math.random()*i);
        var t = this[--i];
        this[i] = this[j];
        this[j] = t;
    }
    return this;
}


$(function(){

    var message_ar = new Array();

    $.ajax({
        async : false,
        url : './message/message.xml',
        dataType : 'xml',
        success : function(xml) {
            $(xml).find('entry').each(function() {
                message_ar.push($(this).text());
            });
        }
    });

    message_ar.shuffle();

    for (var i = 0; i < 4; i++) {
        $('#message').append(message_ar[i]);
    }

});