(function($) {
	$.fn.HovidaSlider = function(options) {
		var defaults = {
			button_left:	'',
			button_right:	'',
			width:			'900px',
			height:			'500px',
			speed:			400,
			easing:			'easeOutQuad',
			textResize:		false
		}
		
		var defaultWidth	= defaults.width;
		var o				= $.extend(defaults, options);
		var w				= parseInt(o.width);
		var n				= this.children('.wrapper').children('.slider').children('.entry').length;
		var x				= -1 * w * n + w;
		var p				= parseInt(o.width) / parseInt(defaultWidth);
		var thisInstance	= this.attr('id');
		var inuse			= false;
		
		function moveSlider(d, b) {
			var l = parseInt(b.siblings('.wrapper').children('.slider').css('left'));
			if(isNaN(l)) {
				var l = 0;
			}
			
			var m = (d == 'left') ? l - w : l + w;
			if(m <= 0 && m >= x) {
				b.siblings('.wrapper').children('.slider').animate({'left': m + 'px'}, o.speed, o.easing, function() {
					inuse = false;
				});
				
				if(b.attr('class') == 'button_left') {
					var thisBtn		= $('#' + thisInstance + ' .button_left');
					var otherBtn	= $('#' + thisInstance + ' .button_right');
				} else {
					var thisBtn		= $('#' + thisInstance + ' .button_right');
					var otherBtn	= $('#' + thisInstance + ' .button_left');
				}
				
				if(m == 0 || m == x) {
					thisBtn.animate({'opacity': '0'}, o.speed, o.easing, function() {
						thisBtn.hide();
					});
				}
				
				if(otherBtn.css('opacity') == '0') {
					otherBtn.show().animate({'opacity': '1'}, {duration: o.speed, easing: o.easing});
				}
			}
		}
		
		function button_center(b) {
			var mid = parseInt(o.height) / 2;
			b.find('.button_left').css({'top': mid + 'px', 'padding': 0}).end().find('.button_right').css({'top': mid + 'px', 'padding': 0});
		}
		
		return this.each(function() {
			$(this).css({
				width: o.width,
				height: o.height
			}).prepend('<a href="#" class="button_left"></a>').append('<a href="#" class="button_right"></a>').find('.entry').css({
				width: o.width,
				height: o.height
			}).end().find('.button_left').css("opacity", 0).hide().end().find('.button_right').hide().animate({
				'width': 'show'
			});
			
			// Button: Left
			var button_left = $(this).children('.button_left');
			button_left.bind('click', function() {
				if(inuse === false) {
					inuse = true;
					moveSlider('right', button_left);
				}
				return false;
			});

			// Button: Right
			var button_right = $(this).children('.button_right');
			button_right.bind('click', function() {
				if(inuse === false) {
					inuse = true;
					moveSlider('left', button_right);
				}
				return false;
			});
			
			//button_center($(this));
		});
	}
})(jQuery)

$(function() {
	$('div#slider').HovidaSlider({
		width:		'620px',
		height:		'500px',
		speed:		400,
		easing:		'easeOutQuad'
	});
});