/* =========================================================

// jquery.metadata.fade.js, an EXTENSION to:

// 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/

 *
 *  <ul id="news"> 
 *      <li>content 1</li>
 *      <li>content 2</li>
 *      <li>content 3</li>
 *  </ul>
 *  
 *  $('#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’s 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 = {
            'speed':            2000,
            'timeout':          8000,
            'containerheight':  'auto',
            'runningclass':     'innerfade'
        };
        if (options) { $.extend(settings, options); }
		var elements = $(container).children('img');
		var title = $('<div>').css({
			'font-family':'Arial',
			'position':'absolute',
			'z-index':1000,
			'opacity':0,
			'margin-left':'0px',
			'width':'374px',
			'margin-top':'185px',
			'font-size':'18px',
			'line-height':'20px',
			'font-weight':'normal',
			'color':'#FFF',
			'font-style':'italic'
		}).addClass('crossfader_title');
		
		$(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 (elements.length > 1) {   
			// Timer to fade the next image
			setTimeout(function() {
				$.innerfade.next(elements, settings, 1, 0);
			}, settings.timeout);
		}		
		
		// Show the first title			
		title.html($(elements[0]).attr('title'))
		.appendTo($(container))
		.animate({
			'opacity':1,
			'marginTop':(185 - 10 - title.outerHeight())
		},1000);
		
		// Show the first image
		$(elements[0]).show();

    
	};

    $.innerfade.next = function(elements, settings, current, last) {
        
		// Animate out the previous title and stick the next one
		$('div.crossfader_title').animate({
			'opacity':0,
			'marginTop':'185px'
		}
		,500
		,function(){
			$('div.crossfader_title').html($(elements[last]).attr('title'));
			$('div.crossfader_title').animate({
				'opacity':1,
				'marginTop':(185 - 10 - $(this).outerHeight())								  
			},1000);			
		});
		
		// Fade out the previous element
		$(elements[last]).fadeOut(settings.speed);
			
		// Fade in the next element
		$(elements[current]).fadeIn(settings.speed, function() {
			removeFilter($(this)[0]);
		});			
		
		if ((current + 1) < elements.length) {
			current = current + 1;
			last = current - 1;
		} else {
			current = 0;
			last = elements.length - 1;
		}
		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');
	}
}