/*
* Copyright (c) 2010 Simon Hibbard
* 
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:

* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE. 
*/

/*
* Version: V1.3.0
* Release: 12-11-2010
* Based on jQuery 1.4.2
*/

(function ($) {
    var divgrowid = 0;
    $.fn.divgrow = function (option) {
        var option = $.extend({}, {
			initialHeight: 100,
			moreLessParent: 'moreLessLink',
			moreText: "+ Show More",
			lessText: "- Show Less",
			speed: 1000
		}, option);

        return this.each(function () {
            divgrowid++;

            obj = $(this);
			
			var thisClass = "divgrow-obj-" + divgrowid;
			var linkClass = "divgrow-lnk-" + divgrowid;
			
			obj.addClass(thisClass);

            var fullHeight = obj.height();
			
			if (obj.height() > option.initialHeight) {

				obj.css({'height' : option.initialHeight, 'overflow' : 'hidden'});
				
				$('.'+option.moreLessParent).html('<a href="#" class="divgrow-showmore' + " " + linkClass + '"' + '></a>');
				
				$("a.divgrow-showmore").html(option.moreText);
	
				$("." + linkClass).toggle(function () {
					//alert(obj.attr('class'));
					// Set the height from the elements rel value
					//var height = $(this).prevAll("div:first").attr('rel');
	
					$('.'+thisClass).animate({ height: fullHeight + "px" }, option.speed, function () { // Animation complete.
	
						// Hide the overlay text when expanded, change the link text
						$('.'+linkClass).html(option.lessText);
	
					});
	
	
				}, function () {
					$('html').css('overflow', 'hidden');
	
					$('.'+thisClass).stop(true, false).animate({ height: option.initialHeight }, option.speed, function () { // Animation complete.
	
						// show the overlay text while closed, change the link text
						$('.'+linkClass).stop(true, false).html(option.moreText);
	
					});
					
					$('html').css('overflow', '');
				});
			}
        });
    };
})(jQuery);