// jToday a simple jQuery date display plugin by Donavon West
// Copyright 2009 Donavon West. All rights reserved

(function($, document) {
//--------------------
$.fn.jToday = function(p_date) {

    var jTodayData = "jTodayData", div = "div", match, data, months = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec".split(" ");

    // ------------------------
    // set the class and inner HTML
    function setStuff(p_el, p_class, p_str) {
        p_el.innerHTML = p_str;
        p_el.className = p_class + " " + p_class + p_str;
    }

    // ------------------------
    //constructor code

    return this.each(function() {
        data = $.data(this, jTodayData);
        if (!data) { //only done once per element
            data = {};

            //does innerHTML contain a date string? (i.e. YYYY-MM-DD)
            match = this.innerHTML.match(/^(\d\d\d\d)-(\d\d)-(\d\d)( |$|T)/);
            if (match) {
                data.date = new Date(match[1], parseInt(match[2],10)-1, match[3]); //yes, use it
            } else {
                data.date = p_date ? p_date : new Date(); //use the date passed in (or default to today)
            }

            //create the sub elements
            this.innerHTML = "";
            data.yearEl = document.createElement(div);
            this.appendChild(data.yearEl);
            data.monthEl = document.createElement(div);
            this.appendChild(data.monthEl);
            data.dayEl = document.createElement(div);
            this.appendChild(data.dayEl);
            $.data(this, jTodayData, data); //save it for next time
        } else {
            data.date = p_date ? p_date : data.date; //use the date passed in (or the old value if undefined)
        }

        setStuff(data.yearEl, "year", data.date.getFullYear().toString() );
        setStuff(data.monthEl, "month", months[data.date.getMonth()] );
        setStuff(data.dayEl, "day", (data.date.getDate()).toString() );
    });

};

//--------------------
})(jQuery, document); //minify trick, plus don't EVER assume that $ is the jQuery object. it's just bad