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/*
* BCDC.US - simple image showcase jQuery plugin
* Examples and documentation at: http://bcdc.us
* Version: 1.0 ( Nov-25-2009 )
* Copyright (c) 2009 Bruno Correia
* Requires: jQuery v1.3+
* Demo at http://bcdc.us/jquery.plugins/jquery.showcase/demo.html
*/


(function($) {
	$.fn.showcase = function(customOptions) {
				var options = $.extend({},$.fn.showcase.defaultOptions, customOptions);

				if ( options.openingImage == 'random' ) {
				var n = $(this).parent().nextAll().length+1; // return the total amount of items
				options.openingImage = Math.floor( Math.random() * n + 1 );
				}
				
				if ( $('#showcase img').length == 0 ) {
				$('#showcase').append('');
				$('#showcase img').css({'display':'none'});
				}

				var $current = $('body').find('ul.showcase li a').eq(options.openingImage-1);
						$current.addClass('current');
						
				var $showcase = $('#showcase img');
				if ( options.imageCaptions == true ) {
				$('#showcase').after('
');
				$("#captions").text( $current.attr('rel') );
				}
								
				if ( options.pageLink == true ) {
				$showcase.wrap('');
				}
				
				$showcase.load(function() {
				$(this).fadeIn(options.fadeInSpeed);
				});

				$(this).click(function(event) {
				event.preventDefault();
					var $showcase = $('#showcase img');
					var requested = $(this).parent().prevAll().length+1; // return eq position

					if ( $(this).hasClass('current') == false ) {
						 $showcase.fadeOut(options.fadeOutSpeed, function() {
						 $showcase.attr({ src: options.imagePath + '/' + requested + '.' + options.imageExtension })
							 .load(function() { $showcase.hide().fadeIn(options.fadeInSpeed);
							 });
						 });
						 if ( options.pageLink == true ) {
								$('#showcase a').attr('href', $(this).attr('href') );
						 }
						 if ( options.imageCaptions == true ) {
								$('#captions').text( $(this).attr('rel') );
						 }
						 $('ul.showcase li a').removeClass('current');
						 $(this).addClass('current');
					}
				});
	};

		$.fn.showcase.defaultOptions = {
		imagePath: 'images',
		imageExtension: 'jpg',
		imageCaptions: true,
		openingImage: '1', // may use 'random'
		pageLink: true,
		fadeInSpeed: 600,
		fadeOutSpeed: 700
		};

})(jQuery);