(function($) {
    $.fn.innerfade = function(options) {
        this.each(function() {
            var settings = {
                animationtype: 'fade',
                speed: 'normal',
                timeout: 3000,
                type: 'sequence',
                containerheight: 'auto',
                runningclass: 'innerfade'
            };
            if (options) {
                $.extend(settings, options)
            }
            var elements = $(this).children();
            if (elements.length > 1) {
                $(this).css('position', 'relative');
                $(this).css('height', settings.containerheight);
                $(this).addClass(settings.runningclass);
                for (var i = 0; i < elements.length; i++) {
                    $(elements[i]).css('z-index', String(elements.length - i)).css('position', 'absolute');
                    $(elements[i]).hide()
                }
                if (settings.type == 'sequence') {
                    setTimeout(function() {
                        $.innerfade.next(elements, settings, 1, 0)
                    },
                    settings.timeout);
                    $(elements[0]).show()
                } else if (settings.type == 'random') {
                    setTimeout(function() {
                        do {
                            current = Math.floor(Math.random() * (elements.length))
                        } while ( current === 0 );
                        $.innerfade.next(elements, settings, current, 0)
                    },
                    settings.timeout);
                    $(elements[0]).show()
                } else {
                    alert('type must either be \'sequence\' or \'random\'')
                }
            }
        })
    };
    $.innerfade = function() {};
    $.innerfade.next = function(elements, settings, current, last) {
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed, $(elements[current]).slideDown(settings.speed))
        } else if (settings.animationtype == 'fade') {
            $(elements[last]).fadeOut(settings.speed);
            $(elements[current]).fadeIn(settings.speed)
        } else {
            alert('animationtype must either be \'slide\' or \'fade\'')
        }
        if (settings.type == 'sequence') {
            if ((current + 1) < elements.length) {
                current = current + 1;
                last = current - 1
            } else {
                current = 0;
                last = elements.length - 1
            }
        } else if (settings.type == 'random') {
            last = current;
            while (current == last) {
                current = Math.floor(Math.random() * (elements.length))
            }
        } else {
            alert('type must either be \'sequence\' or \'random\'')
        }
        setTimeout((function() {
            $.innerfade.next(elements, settings, current, last)
        }), settings.timeout)
    }
})(jQuery);

//////////////////////////////////////////////////////////

$(document).ready(function()
	{
		// Rotate images on the home page
		$('#rotator').innerfade(
			{
				speed: 'slow',
				timeout: 3000,
				type: 'sequence',
				containerheight: '176px'
			}
		);
	}
);