(function($){
	
	var index = 0;
	
    $.fn.extend({
    	
		accessexpander: function( options ) {
		
		var defaults = {
			speed: 0,
			tabindex: 0,
			hover: false,
			expander: 'expander',
			expanded: 'expanded',
			aria: true
		};
		
		var options = $.extend(defaults, options);

		return this.each( function() {	
			
			var $object = $(this);
			var focused = false, hovered = false;
			var id = 'id-' + index, list = 'list-' + index;
			
			$object.css({"cursor":"pointer"});
			
			$object.next().css({'position':'absolute','top':'-9999px','left':'-9999px'});
			
			if( $object.attr('id') === '' )
			{
				$object.attr('id',id);
			}
			
			if( $object.next().attr('id') === '' )
			{
				$object.next().attr('id',list);
			}
			
			if( $object.attr('tabindex') === undefined && options.tabindex !== false )
			{
				$object.attr({'tabindex':''+options.tabindex+''});
			}
			
			if(options.aria === true)
			{
				$object.attr({'role':'button','aria-expanded':'false','aria-controls':$object.next().attr('id')});
				$object.next().attr({'aria-expanded':'false','aria-labelledby':$object.attr('id')});
			}
			
			index++;
			
			$object.bind('keyup', function( event ){

				var $selected = $(this);
				
				if( (options.hover === false) && (event.keyCode == '13') && ($selected.next().hasClass(options.expanded)) )
				{
					$selected.removeClass(options.expander);
					$selected.next().fadeOut(options.speed, function() {
						$selected.next().css({'position':'absolute','display':''}).removeClass(options.expanded);		
					});
					if(options.aria === true)
					{
						$selected.attr('aria-expanded','false');
						$selected.next().attr('aria-expanded','false');
					}
					focused = false;
				}
				else if( (options.hover === false) && (event.keyCode == '13') && (!$selected.next().hasClass(options.expanded)) )
				{
					$selected.addClass(options.expander);
					$selected.next().addClass(options.expanded).css({"position":"static",'display':'none'}).fadeIn(options.speed);
					if(options.aria === true)
					{
						$selected.attr('aria-expanded','false');
						$selected.next().attr('aria-expanded','false');
					}
					focused = true;
				}
			});
			
			$object.focus(function( event ){
				
				var $selected = $(this);
				
				if( options.hover === true && !$selected.next().hasClass(options.expanded) )
				{
					$selected.addClass(options.expander);
					$selected.next().addClass(options.expanded).css({"position":"static",'display':'none'}).fadeIn(options.speed);
					focused = true;
				} 
				if(options.aria === true)
				{
					$selected.attr('aria-expanded','true');
					$selected.next().attr('aria-expanded','true');
				}
				if (hovered === true)
				{
					focused = true;
				}
			});
			
			$object.blur(function( event ){
				
				var $selected = $(this);
				
				if( options.hover === true && $selected.next().hasClass(options.expanded) && hovered !== true )
				{
					$selected.removeClass(options.expander);
					$selected.next().fadeOut(options.speed, function() {
						$selected.next().css({'position':'absolute','display':''}).removeClass(options.expanded);		
					});
					if(options.aria === true)
					{
						$selected.attr('aria-expanded','false');
						$selected.next().attr('aria-expanded','false');
					}
					focused = false;
				}
			});
			
			$object.hover(function( event ){
				
				var $selected = $(this);
				
				if( options.hover === true && !$selected.next().hasClass(options.expanded) )
				{
					$selected.addClass(options.expander);
					$selected.next().addClass(options.expanded).css({"position":"static",'display':'none'}).fadeIn(options.speed);
					hovered = true;
					if(options.aria === true)
					{
						$selected.attr('aria-expanded','true');
						$selected.next().attr('aria-expanded','true');
					}
				} 

				if(focused === true)
				{
					hovered = true;
				}
				},
				function() {
					
					var $selected = $(this);
					if( options.hover === true && focused === false )
					{
						$selected.removeClass(options.expander);
						$selected.next().fadeOut(options.speed, function() {
							$selected.next().css({'position':'absolute','display':''}).removeClass(options.expanded);		
						});
						if(options.aria === true)
						{
							$selected.attr('aria-expanded','false');
							$selected.next().attr('aria-expanded','false');
						}
						hovered = false;
					}
					else if( options.hover === true && focused === true )
					{
						hovered = false;
					}
				}
			);			
			$object.bind('click', function( event ){
				var $selected = $(this);
				
				if( !$selected.next().hasClass(options.expanded) )
				{
					$selected.addClass(options.expander);
					$selected.next().addClass(options.expanded).css({"position":"static",'display':'none'}).fadeIn(options.speed);
					if(options.aria === true)
					{
						$selected.attr('aria-expanded','true');
						$selected.next().attr('aria-expanded','true');
					}
					focused = true;
				} 
				else
				{
					$selected.removeClass(options.expander);
					$selected.next().fadeOut(options.speed, function() {
						$selected.next().css({'position':'absolute','display':''}).removeClass(options.expanded);
					});
					if(options.aria === true)
					{
						$selected.attr('aria-expanded','false');
						$selected.next().attr('aria-expanded','false');
					}
					focused = false;
				}
			});
		});
    	}
    });
})(jQuery);