(function($)
{
	$.fn.slider = function(settings)
	{
		// Config Array
		var config = 
		{ 
			id:						0,
			direction:				"hor",
			holder:					null,
			btnNextStr:				"",
			btnPrevStr:				"",
			numItems:				1,
			moveVal:				0,
			moveItem:				"",
			numItemsVisible:		1,
			
			btnDisabledStr:			"-dis",
			imagesFolder:			"/common/images/",
			
			swapFeature:			false,
			swapHolder:				null,
			swapHolderItemClass:	"",
			itemClass:				""
		}
		
		// Variables to determine the position of the slider
		var currentItem = 0;
		var pos = 0;
		var prevPos = [];
		
		// Update the config array with the settings passed in the function
		if (settings) { $.extend(config, settings); }
		
		// Variables to hold the previous and next buttons
		var btnNext = $("." + config.btnNextStr + ":eq(" + config.id + ")");
		var btnPrev = $("." + config.btnPrevStr + ":eq(" + config.id + ")");
				
		// Removed the href link from the buttons and set the previous button to disabled
		btnPrev.removeAttr('href').css({backgroundImage: "url(" + config.imagesFolder + config.btnPrevStr + config.btnDisabledStr + ".gif)", cursor: "default"});
		btnNext.removeAttr('href').css({cursor: "pointer"});
		
		// If the number of items is less than or equal to the number of items visible - disable the next button
		if (config.numItems <= config.numItemsVisible)
		{
			btnNext.css({backgroundImage: "url(" + config.imagesFolder + config.btnNextStr + config.btnDisabledStr + ".gif)"}).css({cursor: "default"});
		}
		
		// If the slider has a swapping functionality
		// Ability to click on an item and swap a content area
		if (config.swapFeature)
		{
			createSwapFunctionality();
		}
		
		// This is to prevent a flicker while the page is loading
		// The buttons are set to invisible in the CSS
		btnNext.css({display: 'block'});
		btnPrev.css({display: 'block'});
		
	//  ========== FUNCTIONS ==========  \\
		
		// Next Button Click Function
		btnNext.click(function()
		{			
			if (currentItem < config.numItems - config.numItemsVisible)
			{
				if (config.moveVal == 0)
				{
					var nextItem = $(config.moveItem, config.holder);				
				
					if (currentItem >= 1)
					{
						prevPos[currentItem] = prevPos[currentItem - 1] - $(nextItem[currentItem - 1]).outerHeight(true);
					}
					else
					{
						prevPos[currentItem] = 0;
					}
					
					pos -= $(nextItem[currentItem + config.numItemsVisible]).outerHeight(true);
				}
				else
				{
					pos -= config.moveVal;
				}
				
				if (config.direction == "hor")
				{
					$(config.holder).animate({ left: pos + "px" }, 350);
				}
				else if (config.direction == "vert")
				{
					$(config.holder).animate({ top: pos + "px" }, 350);
				}
				currentItem++;
				
				if (checkMaxValue(currentItem, config.numItems - config.numItemsVisible))
				{
					btnNext.css({backgroundImage: "url(" + config.imagesFolder + config.btnNextStr + config.btnDisabledStr + ".gif)"}).css({cursor: "default"});
				}
				else
				{
					btnNext.css({backgroundImage: "url(" + config.imagesFolder + config.btnNextStr + ".gif)"}).css({cursor: "pointer"});
				}
				
				btnPrev.css({backgroundImage: "url(" + config.imagesFolder + config.btnPrevStr + ".gif)"}).css({cursor: "pointer"});
			}
		});
		
		// Previous Button Click Function
		btnPrev.click(function()
		{			
			if (currentItem > 0)
			{
				if (config.moveVal == 0)
				{
					pos = prevPos[currentItem - 1];
				}
				else
				{
					pos += config.moveVal;
				}
				
				if (config.direction == "hor")
				{
					$(config.holder).animate({ left: pos + "px" }, 350);
				}
				else if (config.direction == "vert")
				{
					$(config.holder).animate({ top: pos + "px" }, 350);
				}
				currentItem--;
				
				if (checkMinValue(currentItem, 0))
				{
					btnPrev.css({backgroundImage: "url(" + config.imagesFolder + config.btnPrevStr + config.btnDisabledStr + ".gif)"}).css({cursor: "default"});
				}
				else
				{
					btnPrev.css({backgroundImage: "url(" + config.imagesFolder + config.btnPrevStr + ".gif)"}).css({cursor: "pointer"});
				}
				
				btnNext.css({backgroundImage: "url(" + config.imagesFolder + config.btnNextStr + ".gif)"}).css({cursor: "pointer"});
			}
		});
		
		// Content Swap Function
		function createSwapFunctionality()
		{
			
			var currentPosition = 0;
			var position = 0;
			var lastItem = $(config.itemClass + ":first-child");
			
			var itemWidth = $(config.swapHolderItemClass + ":first-child").outerWidth(true);
			var itemHeight = $(config.swapHolderItemClass + ":first-child").outerHeight(true);
			
			var i = 0;
			var len_i = $(config.itemClass).length;
			for (i; i < len_i; i++)
			{
				var featuredItem = $(config.itemClass)[i];
				
				$(featuredItem).css({cursor: 'pointer'});
				$('a', featuredItem).removeAttr("href").addClass('nolink');
				
				$(featuredItem).attr({rel: i});
				
				$(featuredItem).mouseover(function()
				{
					$(this).addClass('hover');
				}).mouseout(function()
				{
					$(this).removeClass('hover');
				}).click(function()
				{
					if ($(this).attr('rel') != position)
					{
						$(this).addClass('selected');
						lastItem.removeClass('selected');
						
						lastItem = $(this);
												
						if (config.direction == "hor")
						{
							var imageSlidePos = $(this).attr('rel') * itemWidth;
						}
						else if (config.direction == "vert")
						{
							var imageSlidePos = $(this).attr('rel') * itemHeight;
						}
						
						position = $(this).attr('rel');
						var time = position - currentPosition;
						
						if (time < 0) { time *= -1; }
						
						
						if (config.direction == "hor")
						{
							$(config.swapHolder).animate({left: '-' + imageSlidePos}, 350 * time);
						}
						else if (config.direction == "vert")
						{
							$(config.swapHolder).animate({top: '-' + imageSlidePos}, 350 * time);
						}
						
						currentPosition = position;
					}
					return false;
				});
			}
		}
		
		// Check Maximum Value to set appropriate state on buttons
		function checkMaxValue(num, maxnum)
		{
			if (num == maxnum)
			{
				return true;
			}
		}
		// Check Minimum Value to set appropriate state on buttons
		function checkMinValue(num, minnum)
		{
			if (num == minnum)
			{
				return true;
			}
		}
	};
})(jQuery);