/*!
 * 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
 * 
 */

$j.fn.liScroll = function(settings)
{
	settings = $j.extend({ travelocity:0.07 },settings);
	return this.each(function()
	{
		var $strip = $j(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 += $j(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(){ $j(this).stop(); },
		function()
		{
			var offset = $j(this).offset();
			var residualSpace = offset.left + stripWidth;
			var residualTime = residualSpace/settings.travelocity;
			scrollnews(residualSpace,residualTime);
		});
	});
};