attach a csrf token to ajax posts

getCookie.js

/**
 * by: goldhand
 * Date: 10/8/13
 * Time: 1:29 PM
 */
function getCookie(name) {
    var cookieValue = null;
    if (document.cookie && document.cookie != '') {
        var cookies = document.cookie.split(';');
        for (var i = 0; i < cookies.length; i++) {
            var cookie = jQuery.trim(cookies[i]);
            // Does this cookie string begin with the name we want?
            if (cookie.substring(0, name.length + 1) == (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}


 $(document).ready(function() {
    $("#button").click(function(){
        $.ajax({
            type : "POST",
            url : "{% url 'getlist' %}",
            data : {
                msg : 'abcd',
                csrfmiddlewaretoken: getCookie('csrftoken')
            }
        }).done(function(data){
            alert(data.message);
        });
    });
});