/* =========================================================
// jquery.innerfade.js
// datum: 2008-02-14
// firma: medienfreunde hofmann & baldes gbr
// author: torsten baldes
// mail: t.baldes@medienfreunde.com
// web: http://medienfreunde.com
// based on the work of matt oakes http://portfolio.gizone.co.uk/applications/slideshow/
// and ralf s. engelschall http://trainofthoughts.org/
*
*
* - content 1
* - content 2
* - content 3
*
*
* $('#news').innerfade({
* animationtype: type of animation 'fade' or 'slide' (default: 'fade'),
* speed: fading-/sliding-speed in milliseconds or keywords (slow, normal or fast) (default: 'normal'),
* timeout: time between the fades in milliseconds (default: '2000'),
* type: type of slideshow: 'sequence', 'random' or 'random_start' (default: 'sequence'),
* containerheight: height of the containing element in any css-height-value (default: 'auto'),
* runningclass: css-class which the container get鈥檚 applied (default: 'innerfade'),
* children: optional children selector (default: null)
* });
*
// ========================================================= */
(function($) {
$.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');
}
}