(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,
'containerheight': 'auto',
'runningclass': 'innerfade',
'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');
}
}

function slideSwitch() {
var $active = $('#slideshow IMG.active');

if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

// use this to pull the images in the order they appear in the markup
var $next = $active.next().length ? $active.next()
: $('#slideshow IMG:first');

// uncomment the 3 lines below to pull the images in random order

// var $sibs = $active.siblings();
// var rndNum = Math.floor(Math.random() * $sibs.length );
// var $next = $( $sibs[ rndNum ] );

$active.addClass('last-active');

$next.css({opacity: 0.0})
.addClass('active')
.animate({opacity: 1.0}, 2000, function() {
$active.removeClass('active last-active');
});
}

$(function() {
setInterval( "slideSwitch()", 4000 );
});

$(document).ready(
function(){
$('ul#slide').innerfade({
speed: 1000,
timeout: 5000,
type: 'sequence',
containerheight: '200px'
});
});