(function($)
{
	$.fn.extend({
		ticker: function()
		{

                $(this).parent().hide();
                return;
            
			var tickerTable =$(this).find("table:first");
			var tickerBody =$(this).find(".ticker-body:first");
			var tickerControls =$(this).find(".ticker-controls:first");
					  
			var tmrTickerEffect = null;
			var tmrNextTicker = null;
			var tmrType=null;
			var tmrAutoScroll=null;

			var currentTickerIndex = 0;
			var tickerObj = null;
			var isAnimating = true;
			var currentCharPos=0;
            var processingClick = false;
            var tempButton = null;
			
			if(duration==-1)
			{
				return;
			}

			setTimeout(function()
			{
				tickerComplete(true);
			}, 100);

			tickerControls.find('td').on('click', function()
			{
				var cmd = $(this).attr('id');
   
                // Ensure only one button is processed at a time to avoid race conditions
                if (processingClick == false)
                {
                    processingClick = true;

                    tempButton = $(this);
                    
                    // De-activate button mouse over style
                    tickerControls.find('td').removeClass('ui-state-active');
                    tickerControls.find('td').off('mouseenter mouseleave');

                    // Remember position of mouse
                    tickerControls.find('td').on('mouseenter', function() {
							tempButton = $(this);
						}).on('mouseleave', function() {
							tempButton = null;
						});

				    if ((cmd == "next" || cmd == "previous") && isAnimating) stopAnimation();

				    if (cmd == "play" && !isAnimating)
				    {
                        $(this).hide();
					    $(this).parent().find('#stop').show();
                        
					    tempButton = $(this).parent().find('#stop');

                        setTimeout(function()
					    {
						    tickerComplete(true);
					    }, 100);

					    isAnimating = true;
				    }
				    else if (cmd == "stop" && isAnimating)
                    {
                        stopAnimation();
                        tempButton = $(this).parent().find('#play');
                    }
				    else if (cmd == "next") showNext();
				    else if (cmd == "previous") showPrevious();

                    setTimeout(function()
					{
				        processingClick = false;
                        
                        // Re-activate mouse currently over styles
                        if (tempButton != null)
                        {
                            tempButton.addClass('ui-state-active');
                        }

                        tickerControls.find('td').on('mouseenter', function() {
							$(this).addClass('ui-state-active');
						}).on('mouseleave', function() {
							$(this).removeClass('ui-state-active');
						});
                    }, 1000);
                }
			});

			tickerControls.find('td').on('mouseenter', function() {
				$(this).addClass('ui-state-active');
			}).on('mouseleave', function() {
				$(this).removeClass('ui-state-active');
			});

            tickerBody.on('mouseup', function()
			{
				if(tickerData[currentTickerIndex].link.length>0)
                {
                    setTimeout(function()
				    {                        
					        window.open(tickerData[currentTickerIndex].link);
				    }, 100);
                }
			});
            
			function stopAnimation()
			{
				tickerControls.find('#stop').hide();
				tickerControls.find('#play').show();

				if (tmrTickerEffect != null) clearTimeout(tmrTickerEffect);
				if (tmrNextTicker != null)
                {
                    clearTimeout(tmrNextTicker);
                    tmrNextTicker = null;
                }
				if (tmrType != null) clearTimeout(tmrType);

				showTickerItem();

				autoScroll();

				isAnimating = false;
				
				currentCharPos=0;             
			}

			function moveNext()
			{
				currentTickerIndex += 1;
				if (currentTickerIndex >= tickerData.length) currentTickerIndex = 0;
			}
			
			function showNext()
			{
				currentTickerIndex += 1;
				if (currentTickerIndex >= tickerData.length) currentTickerIndex = 0;
				showTickerItem();
				autoScroll();
			}

			function showPrevious()
			{
				currentTickerIndex -= 1;
				if (currentTickerIndex < 0) currentTickerIndex = tickerData.length - 1;
				showTickerItem();
				autoScroll();
			}

			function showTickerItem()
			{
				var tickerTitle = tickerBody.find('.ticker-title-text:first');
				var tickerText = tickerBody.find('.ticker-text:first').find('span:first');

				tickerTitle.html(tickerData[currentTickerIndex].title);
				tickerText.html(tickerData[currentTickerIndex].description);

				/* Center ticker text*/
				var ah = tickerText.height();
				var ph = tickerText.parent().height();
				var mh = 0;
				
				if(ph>ah) mh=(ph - ah) / 2;

				tickerText.css('margin-top', mh);
			}

			function autoScroll()
			{
				if(tmrAutoScroll !=null) clearTimeout(tmrAutoScroll);
				var tickerText = tickerBody.find('.ticker-text:first').find('span:first');

				if(tickerText.height()-3>tickerText.parent().height())
				{
					tickerText.parent().scrollTop(0);
					tickerText.parent().stop(true,false);

					tmrAutoScroll=setTimeout(function()
					{
						tickerText.parent().animate({scrollTop:tickerText.height() }, 3000);                    
					},1500);
				}
			}

			function tickerComplete(immediateStart)
			{
				if (isAnimating) {
                tmrTickerEffect = setTimeout(function()
				{
					tickerBody.find('.ticker-text:first').find('span:first').html("");

					//tickerBody.hide();
					//tickerBody.show('blind',{},500);     
					
				}, immediateStart == true ? 0 : parseFloat(delay) - 500);

				tmrNextTicker = setTimeout(function()
				{
					var tickerText = tickerBody.find('.ticker-text:first').find('span:first');

					if (effect == "typewriter")
					{
						moveNext();
						setTimeout(function()
						{                            
							tickerBody.find('.ticker-title-text:first').html(tickerData[currentTickerIndex].title);
							type();
						}, 100);                        
					}
					else
					{
						showNext();
						tickerText.hide();
						tickerText.show(duration, effect, {});
						setTimeout(function()
						{
							tickerComplete()
						}, 100);                        
					}                    

				}, immediateStart == true ? 500 : parseFloat(delay));
                }
			}
			
			function type()
			{
				var tickerText = tickerBody.find('.ticker-text:first').find('span:first');                
				
				tickerText.html(tickerData[currentTickerIndex].description.substr(0, currentCharPos++)+" _");

				/* Center ticker text*/
				var ah = tickerText.height();
				var ph = tickerText.parent().height();
				var mh = 0;
				
				if(ph>ah) mh=(ph - ah) / 2;

				tickerText.css('margin-top', mh);

				//tickerText.parent().scrollLeft(tickerText.width());
				//tickerText.parent().animate({ scrollLeft: tickerText.width() }, 500);

				tickerText.parent().scrollTop(tickerText.height());

				if (currentCharPos < tickerData[currentTickerIndex].description.length + 1)
				{
					tmrType=setTimeout(function()
					{
						type();
					}, duration);
				}	
				else
				{
					tickerText.html(tickerData[currentTickerIndex].description);
					tmrType=null;
					currentCharPos=0;
					tickerComplete(false);
				} 
			}
		}
	});
})(jQuery);