/*
 * fadeSlideShow
 * v.2.0.0
 *
 * Copyright (c) 2010 Pascal Bajorat (http://www.pascal-bajorat.com)
 * Dual licensed under the MIT
 * and GPL (http://www.gnu.org/licenses/gpl.txt) licenses.
 *
 *
 * http://plugins.jquery.com/project/fadeslideshow
 * http://www.pascal-bajorat.com
 */

jQuery.fn.fadeSlideShow=function(options){
    return this.each(function(){
        settings=jQuery.extend({
            width:646,
            height:282,
            speed:'slow',
            interval:3000,
            PlayPauseElement:'fssPlayPause',
            //PlayText:'Play',
           // PauseText:'Pause',
           // NextElement:'fssNext',
           // NextElementText:'Next >',
           // PrevElement:'fssPrev',
           // PrevElementText:'< Prev',
           // ListElement:'fssList',
            ListLi:'fssLi',
            ListLiActive:'fssActive',
            addListToId:false,
           // allowKeyboardCtrl:true,
            autoplay:true
        },options);
        jQuery(this).css({
            width:settings.width,
            height:settings.height,
            position:'relative',
            overflow:'hidden'
        });
        jQuery('> *',this).css({
            position:'absolute',
            width:settings.width,
            height:settings.height
            });
        Slides=jQuery('> *',this).length;
        Slides=Slides-1;
        ActSlide=Slides;
        jQslide=jQuery('> *',this);
        fssThis=this;
        autoplay=function(){
            intval=setInterval(function(){
                jQslide.eq(ActSlide).fadeOut(settings.speed);
                if(settings.ListElement){
                    setActLi=(Slides-ActSlide)+1;
                    if(setActLi>Slides){
                        setActLi=0;
                    }
                    jQuery('#'+settings.ListElement+' li').removeClass(settings.ListLiActive);
                    jQuery('#'+settings.ListElement+' li').eq(setActLi).addClass(settings.ListLiActive);
                }
                if(ActSlide<=0){
                    jQslide.fadeIn(settings.speed);
                    ActSlide=Slides;
                }else{
                    ActSlide=ActSlide-1;
                }
            },settings.interval);
        if(settings.PlayPauseElement){
            jQuery('#'+settings.PlayPauseElement).html(settings.PauseText);
        }
    }
    stopAutoplay=function(){
        clearInterval(intval);
        intval=false;
        if(settings.PlayPauseElement){
            jQuery('#'+settings.PlayPauseElement).html(settings.PlayText);
        }
    }
jumpTo=function(newIndex){
    if(newIndex<0){
        newIndex=Slides;
    }
    else if(newIndex>Slides){
        newIndex=0;
    }
    if(newIndex>=ActSlide){
        jQuery('> *:lt('+(newIndex+1)+')',fssThis).fadeIn(settings.speed);
    }else if(newIndex<=ActSlide){
        jQuery('> *:gt('+newIndex+')',fssThis).fadeOut(settings.speed);
    }
    ActSlide=newIndex;
    if(settings.ListElement){
        jQuery('#'+settings.ListElement+' li').removeClass(settings.ListLiActive);
        jQuery('#'+settings.ListElement+' li').eq((Slides-newIndex)).addClass(settings.ListLiActive);
    }
}
if(settings.ListElement){
    i=0;
    li='';
    while(i<=Slides){
        if(i==0){
            li=li+'<li class="'+settings.ListLi+i+' '+settings.ListLiActive+'"><a href="#">'+(i+1)+'<\/a><\/li>';
        }else{
            li=li+'<li class="'+settings.ListLi+i+'"><a href="#">'+(i+1)+'<\/a><\/li>';
        }
        i++;
    }
    List='<ul id="'+settings.ListElement+'">'+li+'<\/ul>';
    if(settings.addListToId){
        jQuery('#'+settings.addListToId).append(List);
    }else{
        jQuery(this).after(List);
    }
    jQuery('#'+settings.ListElement+' a').bind('click',function(){
        index=jQuery('#'+settings.ListElement+' a').index(this);
        stopAutoplay();
        ReverseIndex=Slides-index;
        jumpTo(ReverseIndex);
        return false;
    });
}
if(settings.PlayPauseElement){
    if(!jQuery('#'+settings.PlayPauseElement).css('display')){
        jQuery(this).after('<a href="#" id="'+settings.PlayPauseElement+'"><\/a>');
    }
    if(settings.autoplay){
        jQuery('#'+settings.PlayPauseElement).html(settings.PauseText);
    }else{
        jQuery('#'+settings.PlayPauseElement).html(settings.PlayText);
    }
    jQuery('#'+settings.PlayPauseElement).bind('click',function(){
        if(intval){
            stopAutoplay();
        }else{
            autoplay();
        }
        return false;
    });
}
if(settings.NextElement){
    if(!jQuery('#'+settings.NextElement).css('display')){
        jQuery(this).after('<a href="#" id="'+settings.NextElement+'">'+settings.NextElementText+'<\/a>');
    }
    jQuery('#'+settings.NextElement).bind('click',function(){
        nextSlide=ActSlide-1;
        stopAutoplay();
        jumpTo(nextSlide);
        return false;
    });
}
if(settings.PrevElement){
    if(!jQuery('#'+settings.PrevElement).css('display')){
        jQuery(this).after('<a href="#" id="'+settings.PrevElement+'">'+settings.PrevElementText+'<\/a>');
    }
    jQuery('#'+settings.PrevElement).bind('click',function(){
        prevSlide=ActSlide+1;
        stopAutoplay();
        jumpTo(prevSlide);
        return false;
    });
}
if(settings.allowKeyboardCtrl){
    jQuery(document).bind('keydown',function(e){
        if(e.which==39){
            nextSlide=ActSlide-1;
            stopAutoplay();
            jumpTo(nextSlide);
        }else if(e.which==37){
            prevSlide=ActSlide+1;
            stopAutoplay();
            jumpTo(prevSlide);
        }else if(e.which==32){
            if(intval){
                stopAutoplay();
            }
            else{
                autoplay();
            }
            return false;
        }
    });
}
if(settings.autoplay){
    autoplay();
}else{
    intval=false;
}
});
};