/*!
 * jQuery Mouse Wheeling Ticker support plug-in v1.0.0
 *
 * @requires jQuery v1.4 or later
 *
 * Copyright (c) 2010 Andrey Feldman
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 */
 (function($) {
    $.fn.tickerFreez = function() {
        return this.each(function() {
            if ($(this).attr("tickerTimer"))
                clearTimeout($(this).attr("tickerTimer"));
            else
                clearTimeout($($(this).children().get(0)).attr("tickerTimer"));
        });
    };
    $.fn.tickerScroll = function() {
        return this.each(function() {
            var c = $(this);
            if (!c.attr("tickerHeight"))
                c = $(c.children().get(0));
            if ( c.scrollTop() < c.attr("tickerHeight") )
                c.scrollTop(c.scrollTop()+1);
            else
                c.scrollTop(1);

            c.attr("tickerTimer", setTimeout('$("#'+this.id+'").tickerScroll();', c.attr("tickerSpeed")));
        });
    };
    $.fn.ticker = function(sp, freez, turbo) {
        return this.each(function() {
            var el = $(this);
            el.css("overflow", "hidden");

            if (!!turbo) {
                var w = el.width();
                var pl = el.css("padding-left");
                var pr = el.css("padding-right");
                el.css("padding-left", "0");
                el.css("padding-right", "0");
                el.width(el.width());
                nC = $("<div></div>");
                nC.height("100%");
                nC.width(w);
                nC.html(el.html());
                nC.appendTo(el.html(""));
                el = nC;
                el.css("overflow-y", "hidden");
                el.css("overflow-x", "hidden");
            }

            var i = $("<div></div>");
            i.css({"overflow": "hidden", "zoom": "1"});
            i.html(el.html());
            i.appendTo(el.html(""));

            if (!!turbo) {
                el.width(2*el.width()-i.width());
                el.css("padding-left", pl);
                el.css("padding-right", pr);
            }

            el.attr("tickerHeight", i.height());
            if (el.attr("tickerHeight")==0)
                return;

            el.height(el.height());
            var a = 0, h = el.height();
            while(h > a) {
                a += i.height();
                i.clone(true).appendTo(el);
            }

            if (!(sp && sp > 0))
                sp = 50;
            el.attr("tickerSpeed", sp);

            if (!!freez)
                el.hover(function() {el.tickerFreez()}, function() {el.tickerScroll()});

            if (!el.attr("id"))
                el.attr("id", "ticker_"+(new Date()).getTime());

            el.tickerScroll();
        });
    };
})(jQuery);