/*!
 * 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 stripHeight = 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
			var containerHeight = $strip.parent().parent().height();  //a.k.a. 'mask' height 	
			$strip.find("li").each(function(i){
				stripWidth += jQuery(this, i).outerWidth(true); // thanks to Michael Haszprunar
				stripHeight += jQuery(this, i).outerHeight(true); // thanks to Michael Haszprunar
			});
			$strip.width(stripWidth);
			$strip.height(stripHeight);			
			//var totalTravel = stripWidth+containerWidth;
			var totalTravel = stripHeight+containerHeight;
			var defTiming = totalTravel/settings.travelocity;	// thanks to Scott Waye		
			function scrollnews(spazio, tempo){
			$strip.animate({top: '-='+ spazio}, tempo, "linear", function(){$strip.css("top", containerHeight); scrollnews(totalTravel, defTiming);});
			}
			/*$strip.animate({left: '-='+ spazio}, tempo, "linear", function(){$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 residualSpace = offset.top + stripHeight;
			var residualTime = residualSpace/settings.travelocity;
			scrollnews(residualSpace, residualTime);
			});			
	});	
};