/*!
 * 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/2;
				var defTiming = totalTravel/settings.travelocity;	// thanks to Scott Waye		
				function scrollnews(spazio, tempo){
				$strip.animate({left: '-='+ spazio}, tempo, "linear", function(){$strip.css("left", 0); scrollnews(totalTravel, defTiming);});
				}
				function scrollOver(side){
                                if(side=='next') {
                                     var posRight = (containerWidth-stripWidth)-10;
                                     var posCurr  = $strip.offset().left-210;
                                     if(posCurr >= posRight) {
                                     $strip.animate({left: '-=100'});
                                     } else {
                                     $strip.animate({left: posRight});
                                     }
                                } else if(side=='prev') {
                                     var posLeft = $strip.offset().left;
                                     if(posLeft<=-100) {
                                     $strip.animate({left: '+=100'});
                                     } else {
                                     $strip.animate({left: 0});
                                     }
                                }
				}
				scrollnews(totalTravel, defTiming);	
				$strip.hover(function(){
				jQuery(this).stop();
				},
				function(){
				var offset = jQuery(this).offset();
				var residualSpace = (offset.left-120) + (stripWidth/2);
				var residualTime = residualSpace/settings.travelocity;
				scrollnews(residualSpace, residualTime);
				});
				$("#fakeImg").hover(function(){
					$strip.stop();
				}, function() {
					var offset = $strip.offset();
					var residualSpace = (offset.left-120) + (stripWidth/2);
					var residualTime = residualSpace/settings.travelocity;
					scrollnews(residualSpace, residualTime);
					
					jQuery(this).html('');
					jQuery(this).css('display', 'none');
				});
                                $("#slideNext").hover(function(){
					$strip.stop();
				}, function() {
					var offset = $strip.offset();
					var residualSpace = (offset.left-120) + (stripWidth/2);
					var residualTime = residualSpace/settings.travelocity;
					scrollnews(residualSpace, residualTime);

				});
                                $("#slidePrev").hover(function(){
					$strip.stop();
				}, function() {
					var offset = $strip.offset();
					var residualSpace = (offset.left-120) + (stripWidth/2);
					var residualTime = residualSpace/settings.travelocity;
					scrollnews(residualSpace, residualTime);

				});
                                $("#slideNext").click(function(){ scrollOver('next'); });
                                $("#slidePrev").click(function(){ scrollOver('prev'); });

		});	
};