(function($) {





    $.fn.innerfade = function(options) {


        return this.each(function() {   


            $.innerfade(this, options);


        });


    };





    $.innerfade = function(container, options) {


        var settings = {


        	'animationtype':    'fade',


            'speed':            'normal',


            'type':             'sequence',


            'timeout':          2000,


            'children':         null


        };


        if (options)


            $.extend(settings, options);


        if (settings.children === null)


            var elements = $(container).children();


        else


            var elements = $(container).children(settings.children);


        if (elements.length > 1) {


            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);


            for (var i = 0; i < elements.length; i++) {


                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();


            };


            if (settings.type == "sequence") {


                setTimeout(function() {


                    $.innerfade.next(elements, settings, 1, 0);


                }, settings.timeout);


                $(elements[0]).show();


            } else if (settings.type == "random") {


            		var last = Math.floor ( Math.random () * ( elements.length ) );


                setTimeout(function() {


                    do { 


												current = Math.floor ( Math.random ( ) * ( elements.length ) );


										} while (last == current );             


										$.innerfade.next(elements, settings, current, last);


                }, settings.timeout);


                $(elements[last]).show();


						} else if ( settings.type == 'random_start' ) {


								settings.type = 'sequence';


								var current = Math.floor ( Math.random () * ( elements.length ) );


								setTimeout(function(){


									$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);


								}, settings.timeout);


								$(elements[current]).show();


						}	else {


							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');


						}


				}


    };





    $.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, function() {


							removeFilter($(this)[0]);


						});


        } else


            alert('Innerfade-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('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');


        setTimeout((function() {


            $.innerfade.next(elements, settings, current, last);


        }), settings.timeout);


    };





})(jQuery);





// **** remove Opacity-Filter in ie ****


function removeFilter(element) {


	if(element.style.removeAttribute){


		element.style.removeAttribute('filter');


	}


}