/*!
 * liScroll 1.0
 * Examples and documentation at:
 * http://www.gcmingati.net/wordpress/wp-content/lab/jquery/newsticker/jq-liscroll/scrollanimate.html
 * 2007-2010 Gian Carlo Mingati
 * Version: 1.0.2.1 (22-APRIL-2011)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Requires:
 * jQuery v1.2.x or later
 *
 */


jQuery.fn.liScroll = function(settings) {
    settings = jQuery.extend({
        travelocity: 0.07
    }, settings);
    return this.each(function(){
        var $strip = jQuery(this);
        $strip.addClass("newsticker")
        var stripWidth = 1;
        $strip.find("li").each(function(i){
            stripWidth += jQuery(this, i).outerWidth(true); // thanks to Michael Haszprunar and Fabien Volpi
        });
        var $mask = $strip.wrap("<div class='mask'></div>");
        var $tickercontainer = $strip.parent().wrap("<div class='tickercontainer'></div>");
        var containerWidth = $strip.parent().parent().width();	//a.k.a. 'mask' width
        $strip.width(stripWidth);
        var totalTravel = stripWidth+containerWidth;
        var defTiming = totalTravel/settings.travelocity;	// thanks to Scott Waye
        function scrollnews(spazio, tempo){
            $strip.animate({left: '-='+ spazio}, tempo, "linear", function(){$strip.css("left", containerWidth); scrollnews(totalTravel, defTiming);});
        }
        scrollnews(totalTravel, defTiming);
        $strip.hover(function(){
            jQuery(this).stop();
        },
        function(){
            var offset = jQuery(this).offset();
            var residualSpace = offset.left + stripWidth;
            var residualTime = residualSpace/settings.travelocity;
            scrollnews(residualSpace, residualTime);
        });
    });
};
