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

// 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)
 *  }); 
 *

// ========================================================= */
var Pause = false;
var Next = false;

(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();
            };
            
            	
            	 $('#slider').mouseenter(function(){
                 	Pause=true;
                 	
                 });
            	 $('#slider').mouseleave(function(){
            		 Pause=false;
            		 if (Next==true){
                		  $.innerfade.next(elements, settings, 1, 0);
                	}
                
            	 });
            	
            	 setTimeout(function() {
            		 Next = true;
            		 if (Pause){
            			 return false;
            		 }
                     $.innerfade.next(elements, settings, 1, 0);
                 }, settings.timeout);
            	  $(elements[0]).addClass('active');
                $(elements[0]).show();
          
		};
    };

    $.innerfade.next = function(elements, settings, current, last) {
    	Next = false;
    	$(elements[last]).removeClass('active');
            $(elements[last]).fadeOut(1000);
            $(elements[current]).addClass('active');
            $(elements[current]).fadeIn(1000, function() {
							removeFilter($(this)[0]);
						});
        
        
            if ((current + 1) < elements.length) {
                current = current + 1;
                last = current - 1;
            } else {
                current = 0;
                last = elements.length - 1;
            }
            $('#slider').mouseenter(function(){
             	Pause=true;
             	
             });
        	 $('#slider').mouseleave(function(){
        		 Pause=false;
        		 if (Next==true){
        			  $.innerfade.next(elements, settings, current, last);
            	}
            
        	 });
        	
        
        setTimeout((function() {
        	 Next = true;
    		 if (Pause){
    			 return false;
    		 }
            $.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');
	}
}