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

// 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 addElement(i) {
    /*Dodavanje elemenata*/

    /*Ode bi se moglo definirati koja vrsta elementa tako da ima samo te atribute                                                     
    ali ode je definirano samo za img element i samo za src i alt */


    var element = $.create(images[i].element, { src: baseUri + images[i].src, alt: images[i].alt }, null);

    $(element).css('z-index', String(images.length - i)).css('position', 'absolute').hide();
    return element;


}  
(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': 4000,
            'containerheight': 'auto',
            'runningclass': 'innerfade',
            'children': null
        };
        if (options)
            $.extend(settings, options);
        /*Dodavanje elemenata*/
        var elements = new Array();
        /*Ode bi se moglo definirati koja vrsta elementa tako da ima samo te atribute
        ali ode je definirano samo za img element i samo za src i alt */
        //        for (i = 0; i < images.length; i++) {

        //            elements.push($.create(images[i].element, { src: baseUri + images[i].src, alt: images[i].alt }, null));
        //        }
        if (images.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);

            if (settings.type == "sequence") {

                setTimeout(function() {
                    $.innerfade.next(container, elements, settings, 1, 0);
                }, settings.timeout);
                $(elements[0]).show();
            }

            else if (settings.type == "random") {
                var last = Math.floor(Math.random() * (images.length));
                elements[last] = addElement(last);
                $(container).append(elements[last]);
                $(elements[last]).show();
                setTimeout(function() {
                    do {
                        current = Math.floor(Math.random() * (images.length));
                    } while (last == current);
                    $.innerfade.next(container, 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(container, 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(container, elements, settings, current, last) {
        var elementi = $(container).children();
        if (elements[current] == null) {
            elements[current] = addElement(current);
        }
        if (elementi.length == 0) {
            $(container).append(elements[current]);
        }
        else {
            if (!(containsImage(elements[current],elementi))) {
                $(container).append(elements[current]);
            }
        }
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed);
            $(elements[current]).slideDown(settings.speed);
        }
        else if (settings.animationtype == 'fade') {

            // elements[last] = addElement(last);
            $(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() * images.length);
        } else
            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
        setTimeout((function() {
            $.innerfade.next(container, elements, settings, current, last);
        }), settings.timeout);
    };

})(jQuery);

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

jQuery.create = function() {
    if (arguments.length == 0) return [];
    var args = arguments[0] || {}, elem = null, elements = null;
    var siblings = null;
    // In case someone passes in a null object,    
    // assume that they want an empty string.    
    if (args == null) args = "";
    if (args.constructor == String) {
        if (arguments.length > 1) {
            var attributes = arguments[1];
            if (attributes.constructor == String) {
                elem = document.createTextNode(args);
                elements = [];
                elements.push(elem);
                siblings = jQuery.create.apply(null, Array.prototype.slice.call(arguments, 1));
                elements = elements.concat(siblings);
                return elements;
            } else {
                elem = document.createElement(args);
                // Set element attributes.                           
                var attributes = arguments[1];
                for (var attr in attributes)
                    jQuery(elem).attr(attr, attributes[attr]);
                // Add children of this element.
                var children = arguments[2];
                if (children != null) {
                    children = jQuery.create.apply(null, children);
                }
                jQuery(elem).append(children);
                // If there are more siblings, render those too.                            
                if (arguments.length > 3) {
                    siblings = jQuery.create.apply(null, Array.prototype.slice.call(arguments, 3));
                    return [elem].concat(siblings);
                }
                return elem;
            }
        }
        else return document.createTextNode(args);
    } else {
        elements = [];
        elements.push(args);
        siblings =
                jQuery.create.apply(null, (Array.prototype.slice.call(arguments, 1)));
        elements = elements.concat(siblings);
        return elements;
    }
};


function containsImage(image, images) 
{

    for(i=0;i<images.length;i++)
        {
            if(images[i].src==image.src && images[i].alt==image.alt )
            {
                return true;
            }
        
        }
        return false;
}