/* ========================================================= 
// 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/ 
// ========================================================= */ 
(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'); 
} 
}