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

// modified by Ozhan Binici

// 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($) {
	var settings = {
    	'animationtype':    'fade',
        'speed':            1000,
        'type':             'sequence',
        'timeout':          4000,
        'containerheight':  'auto',
        'runningclass':     'innerfade',
        'children':         null,
        'timerFunction':         null
    };

	var current = 0;
	var elements;

    $.fn.innerfade = function(options) {
		settings = options;
        return this.each(function() {   
            $.innerfade(this);
        });
    };

    $.innerfade = function(container) {
        elements = $(container).children();
        $(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.timerFunction == 'callback'){
			timer = setTimeout(function() {
				$.innerfade.nextWithCallback();
			}, settings.timeout);
		}
		else{
			timer = setTimeout(function() {
				$.innerfade.next();
			}, settings.timeout);
		}
		$(elements[0]).show();
    };

    $.innerfade.next = function() {
		$(elements[current]).fadeOut(settings.speed);
		
		if ((Number(current) + 1) < elements.length) {
			current ++;
		} 
		else {
			current = 0;
		}
	
		$(elements[current]).fadeIn(settings.speed, function() {
			removeFilter($(this)[0]);
		});
		
        timer = setTimeout((function() {
            $.innerfade.next();
        }), settings.timeout);
		
		
    };

	$.innerfade.startTimer = function() {
		timer = setTimeout((function() {
            $.innerfade.next();
        }), settings.timeout);
		
    };

	$.innerfade.nextWithCallback = function() {
		$(elements[current]).fadeOut(settings.speed);
		
		if ((Number(current) + 1) < elements.length) {
			current ++;
		} 
		else {
			current = 0;
		}
		$(elements[current]).fadeIn(settings.speed, function() {
			removeFilter($(this)[0]);
		});
		changeLink(current);
        timer = setTimeout((function() {
            $.innerfade.nextWithCallback();
        }), settings.timeout);
		
		
    };

	$.innerfade.goto = function(id) {
		next = id;
		if (current != next){
			$(elements[current]).fadeOut(settings.speed);
			$(elements[next]).fadeIn(settings.speed, function() {
				removeFilter($(this)[0]);
			});
		}
		current = next;
		clearTimeout(timer);
		$(elements[next]).children('.details').fadeIn(500);
		/*timer = setTimeout((function() {
            $.innerfade.next();
        }), settings.timeout);*/
	};
	
	$.innerfade.gotoFast = function(id) {
		next = id;
		$(elements[current]).fadeOut(100);
		$(elements[next]).fadeIn(100, function() {
			removeFilter($(this)[0]);
		});
		current = next;
	};

})(jQuery);

// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttribute('filter');
	}
}