(function($){  
	$.fn.ticker = function(options) {
		var opts = $.extend({}, $.fn.ticker.defaults, options); 		
		var newsID = '#' + $(this).attr('id');
		var tagType = $(this).get(0).tagName; 	
		return this.each(function() { 
			var settings = {				
				position: 0,
				time: 0,
				distance: 0,
				newsArr: {},
				play: true,
				paused: false,
				contentLoaded: false,
				dom: {
					contentID: '#ticker-content',
					titleID: '#ticker-title',
					titleElem: '#ticker-title SPAN',
					tickerID : '#ticker',
					wrapperID: '#ticker-wrapper',
					revealID: '#ticker-swipe',
					revealElem: '#ticker-swipe SPAN',
					controlsID: '#ticker-controls',
					prevID: '#prev',
					nextID: '#next',
					playPauseID: '#play-pause'
				}
			};
			if (tagType != 'UL' && tagType != 'OL' && opts.htmlFeed === true) {
				debugError('Cannot use <' + tagType.toLowerCase() + '> type of element for this plugin - must of type <ul> or <ol>');
				return false;
			}
			opts.direction == 'rtl' ? opts.direction = 'right' : opts.direction = 'left';
			initialisePage();
			function countSize(obj) {
			    var size = 0, key;
			    for (key in obj) {
			        if (obj.hasOwnProperty(key)) size++;
			    }
			    return size;
			}; 
			function debugError(obj) {
				if (opts.debugMode) {
					if (window.console && window.console.log) {
						window.console.log(obj);
					}
					else {
						alert(obj);			
					}
				}
			}	
			function initialisePage() {
				$(settings.dom.wrapperID).append('<div id="' + settings.dom.tickerID.replace('#', '') + '"><div id="' + settings.dom.titleID.replace('#', '') + '"><span><!-- --></span></div><p id="' + settings.dom.contentID.replace('#', '') + '"></p><div id="' + settings.dom.revealID.replace('#', '') + '"><span><!-- --></span></div></div>');
				$(settings.dom.wrapperID).removeClass('no-js').addClass('has-js ' + opts.direction);
				$(settings.dom.tickerElem + ',' + settings.dom.contentID).hide();
				if (opts.controls) {
					$(settings.dom.controlsID).live('click mouseover mousedown mouseout mouseup', function (e) {
						var button = e.target.id;
						if (e.type == 'click') {	
							switch (button) {
								case settings.dom.prevID.replace('#', ''):
									settings.paused = true;
									$(settings.dom.playPauseID).addClass('paused');
									manualChangeContent(button);
									break;
								case settings.dom.nextID.replace('#', ''):
									settings.paused = true;
									$(settings.dom.playPauseID).addClass('paused');
									manualChangeContent(button);
									break;
								case settings.dom.playPauseID.replace('#', ''):
									if (settings.play == true) {
										settings.paused = true;
										$(settings.dom.playPauseID).addClass('paused');
										pauseTicker();
									}
									else {
										settings.paused = false;
										$(settings.dom.playPauseID).removeClass('paused');
										restartTicker();
									}
									break;
							}	
						}
						else if (e.type == 'mouseover' && $('#' + button).hasClass('controls')) {
							$('#' + button).addClass('over');
						}
						else if (e.type == 'mousedown' && $('#' + button).hasClass('controls')) {
							$('#' + button).addClass('down');
						}
						else if (e.type == 'mouseup' && $('#' + button).hasClass('controls')) {
							$('#' + button).removeClass('down');
						}
						else if (e.type == 'mouseout' && $('#' + button).hasClass('controls')) {
							$('#' + button).removeClass('over');
						}
					});
					$(settings.dom.wrapperID).append('<ul id="' + settings.dom.controlsID.replace('#', '') + '"><li id="' + settings.dom.playPauseID.replace('#', '') + '" class="controls"></li><li id="' + settings.dom.prevID.replace('#', '') + '" class="controls"></li><li id="' + settings.dom.nextID.replace('#', '') + '" class="controls"></li></ul>');
				}
				if (opts.displayType != 'fade') {
                		$(settings.dom.contentID).mouseover(function () {
                			if (settings.paused == false) {
                				pauseTicker();
                			}
                		}).mouseout(function () {
                			if (settings.paused == false) {
                				restartTicker();
                			}
                		});
				}
				processContent();
			}
			function processContent() {
				if (settings.contentLoaded == false) {
					if (opts.ajaxFeed) {
						if (opts.feedType == 'xml') {
							$.ajax({
								url: opts.feedUrl,
								cache: false,
								dataType: opts.feedType,
								async: true,
								success: function(data){
									count = 0;	
									for (var a = 0; a < data.childNodes.length; a++) {
										if (data.childNodes[a].nodeName == 'rss') {
											xmlContent = data.childNodes[a];
										}
									}
									for (var i = 0; i < xmlContent.childNodes.length; i++) {
										if (xmlContent.childNodes[i].nodeName == 'channel') {
											xmlChannel = xmlContent.childNodes[i];
										}		
									}
									for (var x = 0; x < xmlChannel.childNodes.length; x++) {
										if (xmlChannel.childNodes[x].nodeName == 'item') {
											xmlItems = xmlChannel.childNodes[x];
											var title, link = false;
											for (var y = 0; y < xmlItems.childNodes.length; y++) {
												if (xmlItems.childNodes[y].nodeName == 'title') {      												    
													title = xmlItems.childNodes[y].lastChild.nodeValue;
												}
												else if (xmlItems.childNodes[y].nodeName == 'link') {												    
													link = xmlItems.childNodes[y].lastChild.nodeValue; 
												}
												if ((title !== false && title != '') && link !== false) {
												    settings.newsArr['item-' + count] = { type: opts.titleText, content: '<a href="' + link + '">' + title + '</a>' };												    count++;												    title = false;												    link = false;
												}
											}	
										}		
									}			
									if (countSize(settings.newsArr < 1)) {
										debugError('Couldn\'t find any content from the XML feed for the ticker to use!');
										return false;
									}
									setupContentAndTriggerDisplay();
									settings.contentLoaded = true;
								}
							});							
						}
						else {
							debugError('Code Me!');	
						}						
					}
					else if (opts.htmlFeed) { 
						if($(newsID + ' LI').length > 0) {
							$(newsID + ' LI').each(function (i) {
								settings.newsArr['item-' + i] = { type: opts.titleText, content: $(this).html()};
							});		
							setupContentAndTriggerDisplay();
						}	
						else {
							debugError('Couldn\'t find HTML any content for the ticker to use!');
							return false;
						}
					}
					else {
						debugError('The ticker is set to not use any types of content! Check the settings for the ticker.');
						return false;
					}					
				}			
			}
			function setupContentAndTriggerDisplay() {
				settings.contentLoaded = true;
				$(settings.dom.titleElem).html(settings.newsArr['item-' + settings.position].type);
				$(settings.dom.contentID).html(settings.newsArr['item-' + settings.position].content);
				if (settings.position == (countSize(settings.newsArr) -1)) {
					settings.position = 0;
				}
				else {		
					settings.position++;
				}			
				distance = $(settings.dom.contentID).width();
				time = distance / opts.speed;						
				revealContent();		
			}
			function revealContent() {
				if(settings.play) {	
					var offset = $(settings.dom.titleElem).width() + 20;
					$(settings.dom.revealID).css(opts.direction, offset + 'px');
					if (opts.displayType == 'fade') {
						$(settings.dom.revealID).hide(0, function () {
							$(settings.dom.contentID).css(opts.direction, offset + 'px').fadeIn(opts.fadeInSpeed, postReveal);
						});						
					}
					else if (opts.displayType == 'scroll') {
					}
					else {
						$(settings.dom.revealElem).show(0, function () {
							$(settings.dom.contentID).css(opts.direction, offset + 'px').show();
							animationAction = opts.direction == 'right' ? { marginRight: distance + 'px'} : { marginLeft: distance + 'px' };
							$(settings.dom.revealID).css('margin-' + opts.direction, '0px').delay(20).animate(animationAction, time, 'linear', postReveal);
						});		
					}
				}
				else {
					return false;					
				}
			};
			function postReveal() {				
				if(settings.play) {		
					$(settings.dom.contentID).delay(opts.pauseOnItems).fadeOut(opts.fadeOutSpeed);
					if (opts.displayType == 'fade') {
						$(settings.dom.contentID).fadeOut(opts.fadeOutSpeed, function () {
							$(settings.dom.wrapperID)
								.find(settings.dom.revealElem + ',' + settings.dom.contentID)
									.hide()
								.end().find(settings.dom.tickerID + ',' + settings.dom.revealID)
									.show()
								.end().find(settings.dom.tickerID + ',' + settings.dom.revealID)
									.removeAttr('style');								
							setupContentAndTriggerDisplay();						
						});
					}
					else {
						$(settings.dom.revealID).hide(0, function () {
							$(settings.dom.contentID).fadeOut(opts.fadeOutSpeed, function () {
								$(settings.dom.wrapperID)
									.find(settings.dom.revealElem + ',' + settings.dom.contentID)
										.hide()
									.end().find(settings.dom.tickerID + ',' + settings.dom.revealID)
										.show()
									.end().find(settings.dom.tickerID + ',' + settings.dom.revealID)
										.removeAttr('style');								
								setupContentAndTriggerDisplay();						
							});
						});	
					}
				}
				else {
					$(settings.dom.revealElem).hide();
				}
			}
			function pauseTicker() {				
				settings.play = false;
				$(settings.dom.tickerID + ',' + settings.dom.revealID + ',' + settings.dom.titleID + ',' + settings.dom.titleElem + ',' + settings.dom.revealElem + ',' + settings.dom.contentID).stop(true, true);
				$(settings.dom.revealID + ',' + settings.dom.revealElem).hide();
				$(settings.dom.wrapperID)
					.find(settings.dom.titleID + ',' + settings.dom.titleElem).show()
						.end().find(settings.dom.contentID).show();
			}
			function restartTicker() {				
				settings.play = true;
				settings.paused = false;
				postReveal();	
			}
			function manualChangeContent(direction) {
				pauseTicker();
				switch (direction) {
					case 'prev':
						if (settings.position == 0) {
							settings.position = countSize(settings.newsArr) -2;
						}
						else if (settings.position == 1) {
							settings.position = countSize(settings.newsArr) -1;
						}
						else {
							settings.position = settings.position - 2;
						}
						$(settings.dom.titleElem).html(settings.newsArr['item-' + settings.position].type);
						$(settings.dom.contentID).html(settings.newsArr['item-' + settings.position].content);						
						break;
					case 'next':
						$(settings.dom.titleElem).html(settings.newsArr['item-' + settings.position].type);
						$(settings.dom.contentID).html(settings.newsArr['item-' + settings.position].content);
						break;
				}
				if (settings.position == (countSize(settings.newsArr) -1)) {
					settings.position = 0;
				}
				else {		
					settings.position++;
				}	
			}
		});  
	};  
	$.fn.ticker.defaults = {
		speed: 0.10,			
		ajaxFeed: true,
		feedUrl: 'rss.xml',
		feedType: 'xml',
		displayType: 'reveal',
		htmlFeed: false,
		debugMode: true,
		controls: true,
		titleText: 'Latest',	
		direction: 'ltr',	
		pauseOnItems: 3000,
		fadeInSpeed: 600,
		fadeOutSpeed: 300
	};	
})(jQuery);