/* =========================================================
// jquery.innerfade.js
// Datum: 2007-01-29
// Firma: Medienfreunde Hofmann & Baldes GbR
// Autor: 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/
// ========================================================= */
(function($) {
$.fn.innerfade = function(options) {
this.each(function(){
var settings = {
animationtype: 'fade',
speed: 'normal',
timeout: 2000,
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);