/*
* Slides, A Slideshow Plugin for jQuery
* Intructions: http://slidesjs.com
* By: Nathan Searles, http://nathansearles.com
* Version: 1.1.5
* Updated: March 7th, 2011
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function($){
    

    $.fn.slides=function(g){
        g=$.extend({},$.fn.slides.option,g);
        return this.each(function(){
            $('.'+g.container,$(this)).children().wrapAll('<div class="slides_control"/>');
            var d=$(this),control=$('.slides_control',d),total=control.children().size(),width=control.children().outerWidth(),height=control.children().outerHeight(),start=g.start-1,effect=g.effect.indexOf(',')<0?g.effect:g.effect.replace(' ','').split(',')[0],paginationEffect=g.effect.indexOf(',')<0?effect:g.effect.replace(' ','').split(',')[1],next=0,prev=0,number=0,current=0,loaded,active,clicked,position,direction,imageParent,pauseTimeout,playInterval;
            function animate(a,b,c){
                if(!active&&loaded){
                    active=true;
                    g.animationStart(current+1);
                    switch(a){
                        case'next':
                            prev=current;
                            next=current+1;
                            next=total===next?0:next;
                            position=width*2;
                            a=-width*2;
                            current=next;
                            break;
                        case'prev':
                            prev=current;
                            next=current-1;
                            next=next===-1?total-1:next;
                            position=0;
                            a=0;
                            current=next;
                            break;
                        case'pagination':
                            next=parseInt(c,10);
                            prev=$('.'+g.paginationClass+' li.current a',d).attr('href').match('[^#/]+$');
                            if(next>prev){
                            position=width*2;
                            a=-width*2
                            }else{
                            position=0;
                            a=0
                            }
                            current=next;
                        break
                        }
                        if(b==='fade'){
                        if(g.crossfade){
                            control.children(':eq('+next+')',d).css({
                                zIndex:10
                            }).fadeIn(g.fadeSpeed,g.fadeEasing,function(){
                                if(g.autoHeight){
                                    control.animate({
                                        height:control.children(':eq('+next+')',d).outerHeight()
                                        },g.autoHeightSpeed,function(){
                                        control.children(':eq('+prev+')',d).css({
                                            display:'none',
                                            zIndex:0
                                        });
                                        control.children(':eq('+next+')',d).css({
                                            zIndex:0
                                        });
                                        g.animationComplete(next+1);
                                        active=false
                                        })
                                    }else{
                                    control.children(':eq('+prev+')',d).css({
                                        display:'none',
                                        zIndex:0
                                    });
                                    control.children(':eq('+next+')',d).css({
                                        zIndex:0
                                    });
                                    g.animationComplete(next+1);
                                    active=false
                                    }
                                })
                        }else{
                        control.children(':eq('+prev+')',d).fadeOut(g.fadeSpeed,g.fadeEasing,function(){
                            if(g.autoHeight){
                                control.animate({
                                    height:control.children(':eq('+next+')',d).outerHeight()
                                    },g.autoHeightSpeed,function(){
                                    control.children(':eq('+next+')',d).fadeIn(g.fadeSpeed,g.fadeEasing)
                                    })
                                }else{
                                control.children(':eq('+next+')',d).fadeIn(g.fadeSpeed,g.fadeEasing,function(){
                                    if($.browser.msie){
                                        $(this).get(0).style.removeAttribute('filter')
                                        }
                                    })
                            }
                            g.animationComplete(next+1);
                            active=false
                            })
                    }
                }else{
            control.children(':eq('+next+')').css({
                left:position,
                display:'block'
            });
            if(g.autoHeight){
                control.animate({
                    left:a,
                    height:control.children(':eq('+next+')').outerHeight()
                    },g.slideSpeed,g.slideEasing,function(){
                    control.css({
                        left:-width
                        });
                    control.children(':eq('+next+')').css({
                        left:width,
                        zIndex:5
                    });
                    control.children(':eq('+prev+')').css({
                        left:width,
                        display:'none',
                        zIndex:0
                    });
                    g.animationComplete(next+1);
                    active=false
                    })
                }else{
                control.animate({
                    left:a
                },g.slideSpeed,g.slideEasing,function(){
                    control.css({
                        left:-width
                        });
                    control.children(':eq('+next+')').css({
                        left:width,
                        zIndex:5
                    });
                    control.children(':eq('+prev+')').css({
                        left:width,
                        display:'none',
                        zIndex:0
                    });
                    g.animationComplete(next+1);
                    active=false
                    })
                }
            }
        if(g.pagination){
            $('.'+g.paginationClass+' li.current',d).removeClass('current');
            $('.'+g.paginationClass+' li:eq('+next+')',d).addClass('current')
            }
        }
}
function stop(){
    clearInterval(d.data('interval'))
    }
    function pause(){
    if(g.pause){
        clearTimeout(d.data('pause'));
        clearInterval(d.data('interval'));
        pauseTimeout=setTimeout(function(){
            clearTimeout(d.data('pause'));
            playInterval=setInterval(function(){
                animate("next",effect)
                },g.play);
            d.data('interval',playInterval)
            },g.pause);
        d.data('pause',pauseTimeout)
        }else{
        stop()
        }
    }
if(total<2){
    return
}
if(start<0){
    start=0
    }
    if(start>total){
    start=total-1
    }
    if(g.start){
    current=start
    }
    if(g.randomize){
    control.randomize()
    }
    $('.'+g.container,d).css({
    overflow:'hidden',
    position:'relative'
});
control.children().css({
    position:'absolute',
    top:'35px',
    left:control.children().outerWidth(),
    zIndex:0,
    display:'none'
});
control.css({
    position:'relative',
    width:(width*3),
    height:height,
    left:-width
    });
$('.'+g.container,d).css({
    display:'block'
});
if(g.autoHeight){
    control.children().css({
        height:'auto'
    });
    control.animate({
        height:control.children(':eq('+start+')').outerHeight()
        },g.autoHeightSpeed)
    }
    if(g.preload&&control.find('img').length){
    $('.'+g.container,d).css({
        background:'url('+g.preloadImage+') no-repeat 50% 50%'
        });
    var f=control.find('img:eq('+start+')').attr('src')+'?'+(new Date()).getTime();
    if($('img',d).parent().attr('class')!='slides_control'){
        imageParent=control.children(':eq(0)')[0].tagName.toLowerCase()
        }else{
        imageParent=control.find('img:eq('+start+')')
        }
        control.find('img:eq('+start+')').attr('src',f).load(function(){
        control.find(imageParent+':eq('+start+')').fadeIn(g.fadeSpeed,g.fadeEasing,function(){
            $(this).css({
                zIndex:5
            });
            $('.'+g.container,d).css({
                background:''
            });
            loaded=true;
            g.slidesLoaded()
            })
        })
    }else{
    control.children(':eq('+start+')').fadeIn(g.fadeSpeed,g.fadeEasing,function(){
        loaded=true;
        g.slidesLoaded()
        })
    }
    if(g.bigTarget){
    control.children().css({
        cursor:'pointer'
    });
    control.children().click(function(){
        animate('next',effect);
        return false
        })
    }
    if(g.hoverPause&&g.play){
    control.bind('mouseover',function(){
        stop()
        });
    control.bind('mouseleave',function(){
        pause()
        })
    }
    if(g.generateNextPrev){
    $('.'+g.container,d).after('<a href="#" class="'+g.prev+'">Prev</a>');
    $('.'+g.prev,d).after('<a href="#" class="'+g.next+'">Next</a>')
    }
    $('.'+g.next,d).click(function(e){
    e.preventDefault();
    if(g.play){
        pause()
        }
        animate('next',effect)
    });
$('.'+g.prev,d).click(function(e){
    e.preventDefault();
    if(g.play){
        pause()
        }
        animate('prev',effect)
    });
if(g.generatePagination){
    d.append('<ul class='+g.paginationClass+'></ul>');
    control.children().each(function(){
        $('.'+g.paginationClass,d).append('<li><a href="#'+number+'">'+(number+1)+'</a></li>');
        number++
    })
    }else{
    $('.'+g.paginationClass+' li a',d).each(function(){
        $(this).attr('href','#'+number);
        number++
    })
    }
    $('.'+g.paginationClass+' li:eq('+start+')',d).addClass('current');
$('.'+g.paginationClass+' li a',d).click(function(){
    if(g.play){
        pause()
        }
        clicked=$(this).attr('href').match('[^#/]+$');
    if(current!=clicked){
        animate('pagination',paginationEffect,clicked)
        }
        return false
    });
$('a.link',d).click(function(){
    if(g.play){
        pause()
        }
        clicked=$(this).attr('href').match('[^#/]+$')-1;
    if(current!=clicked){
        animate('pagination',paginationEffect,clicked)
        }
        return false
    });
if(g.play){
    playInterval=setInterval(function(){
        animate('next',effect)
        },g.play);
    d.data('interval',playInterval)
    }
})
};

$.fn.slides.option={
    preload:false,
    preloadImage:'/img/loading.gif',
    container:'slides_container',
    generateNextPrev:false,
    next:'next',
    prev:'prev',
    pagination:true,
    generatePagination:true,
    paginationClass:'pagination',
    fadeSpeed:350,
    fadeEasing:'',
    slideSpeed:350,
    slideEasing:'',
    start:1,
    effect:'slide',
    crossfade:false,
    randomize:false,
    play:0,
    pause:0,
    hoverPause:false,
    autoHeight:false,
    autoHeightSpeed:350,
    bigTarget:false,
    animationStart:function(){},
    animationComplete:function(){},
    slidesLoaded:function(){}
};

$.fn.randomize=function(c){
    function randomizeOrder(){
        return(Math.round(Math.random())-0.5)
        }
        return($(this).each(function(){
        var $this=$(this);
        var $children=$this.children();
        var a=$children.length;
        if(a>1){
            $children.hide();
            var b=[];
            for(i=0;i<a;i++){
                b[b.length]=i
                }
                b=b.sort(randomizeOrder);
            $.each(b,function(j,k){
                var $child=$children.eq(k);
                var $clone=$child.clone(true);
                $clone.show().appendTo($this);
                if(c!==undefined){
                    c($child,$clone)
                    }
                    $child.remove()
                })
            }
        }))
}
})(jQuery);