/*!
 * 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 (30-MARCH-2009)
 * 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 = 0;
		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.find("li").each(function(i) {
				stripWidth += jQuery(this, i).outerWidth(true); // thanks to Michael Haszprunar
				});
			$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);
			});
		});
};
