/*!
 * liScroll 1.0
 * Examples and documentation at: 
 * http://www.gcmingati.net/wordpress/wp-content/lab/jquery/newsticker/jq-liscroll/scrollanimate.html
 * 2007-2009 Gian Carlo Mingati
 * Version: 1.0.1 (07-DECEMBER-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).width();
				});

        $strip.width(stripWidth);
              
        var totalTravel = stripWidth-containerWidth+44;
				var defTiming = totalTravel/settings.travelocity;	// thanks to Scott Waye

        function scrollnews(spazio, tempo){
          
          $strip.animate(
            {left: '-='+ spazio},
            tempo,
            "linear",
            function(){

              $strip.css("left", 22);
              scrollnews(totalTravel, defTiming);
            });
				}

				scrollnews(totalTravel, defTiming);

				$strip.hover(
          function(){
            jQuery(this).stop();
          },
          function(){
            var offset = jQuery(this).offset();
            
            var residualSpace = offset.left - 350 + totalTravel;
            var residualTime = residualSpace/settings.travelocity;
            scrollnews(residualSpace, residualTime);
          });
		});	
};
