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/*
* BCDC.US - SmartExcerpt jQuery plugin
* Examples and documentation at: http://bcdc.us
* Version: 1.1 ( Dec-13-2009 )
* Copyright (c) 2009 Bruno Correia
* Requires: jQuery v1.3+
* Demo at http://bcdc.us/jquery.plugins/jquery.excerpt/demo.html
*/

(function($) {
		$.fn.excerpt = function(customOptions) {
					return this.each(function () {
					var options = $.extend({},$.fn.excerpt.defaultOptions, customOptions);
				
					var $this = $(this);
					$this.children().nextAll().hide();
				
					var firstPcontent = $this.children().eq(0).html(); // get first paragraph content 
					var excerpt = firstPcontent.slice(0, options.excerptLenght); // create excerpt 
					var excerpt = excerpt.concat(options.endTag); // add entTag to end of excerpt
					$this.children().eq(0).hide(); // now hide firstPcontent
				
					$this.prepend('
' + excerpt + '
');
				
					function _expand() {
						$('a.reveal').text(options.expandName); // add options.expandName to  tag
		  			$('a.reveal').click(function(event) {
							event.preventDefault();
							$(this).toggleClass(options.expandedClass);
											
							if ( $(this).text() == options.expandName ) {
							$(this).text(options.collapseName);
							} else {
							$(this).text(options.expandName);
							}
					
							$this.children().nextAll().toggle();
							$this.children('.excerpt').toggle();
						});
					} _expand();
			});
		};

		$.fn.excerpt.defaultOptions = {
    excerptLenght: 100, // lenght of excerpt
    endTag: '…', // end tag
    expandName: 'Expand',
    collapseName: 'Collapse',
    expandedClass: 'on' // name of the class added to a href tag once expand
		};

})(jQuery);