/*!
 * 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: 0.04
		}, 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);});
			}
			
			function scrollnews_ltor(spazio, tempo){
				$strip.animate({left: '+=' + spazio}, tempo, "linear", function(){$strip.css("left", containerWidth); scrollnews_ltor(totalTravel, defTiming);});
			}
			
			if( $strip.hasClass('ltor') ) {
				scrollnews_ltor(totalTravel, defTiming);
			} else {
				scrollnews(totalTravel, defTiming);
			}
			
			/*
			$strip.hover(function() {
				jQuery(this).stop();
			}, function(){

				if( jQuery(this).hasClass('ltor') ) {
					var offset = jQuery(this).offset();
					var residualSpace = offset.right + stripWidth;
					var residualTime = residualSpace/settings.travelocity;
					scrollnews_ltor(residualSpace, residualTime);
				} else {
					var offset = jQuery(this).offset();
					var residualSpace = offset.left + stripWidth;
					var residualTime = residualSpace/settings.travelocity;
					scrollnews(residualSpace, residualTime);
				}

			});
			*/
			
		});	
};