nextImg=1;
$(document).ready(function(){
    $('.slider .sliderMenu ul, .slider .slides, .slider .intro a.startSlideshow').attr('style','');
    initSlideshow();
    setIntro();
    $('.container > .slider a.startSlideshow').bind('click',function(){
        startSlideshow();
    });
    $('.container > .slider .setIntro a').bind('click',function(){
        setIntro();
    }).bind('mouseover',function(){
        $('#sliderGallery .sliderMenu li.menuItem').attr('style','visibility: hidden;');
    }).bind('mouseout',function(){
        $('#sliderGallery .sliderMenu li.menuItem').attr('style','');
    });
});
function setIntro(){
    $('#sliderGallery .sliderMenu li.selected').removeClass('selected');
    $('#sliderGallery .slider').removeClass('slideshow').addClass('introduction');
    $('#sliderGallery .slider .intro').attr('style','');
    $('#sliderGallery .slider .sliderMenu li.setIntro').attr('style','display:none;');
    $('#sliderGallery .slider .slide, #sliderGallery .slider h4').attr('style','visibility:hidden;');
}
function startSlideshow(){
    nextImg=1;
    $('#sliderGallery .slides').css('margin-left','');
    $('#sliderGallery .slider').addClass('slideshow').removeClass('introduction');
    $('#sliderGallery .slider .sliderMenu ul li.menuItem:first').addClass('selected');
    $('#sliderGallery .slider .intro').attr('style','display:none;');
    $('#sliderGallery .slider .sliderMenu .setIntro').attr('style','');
    $('#sliderGallery .slider .slide, #sliderGallery .slider h4').attr('style','visibility:visible;');
}
function initSlideshow(){
    positions = new Array();
    intvl = setInterval('autoAdvance()',5000);
    var totWidth=0;
    $('#sliderGallery .slides .slide').each(function(i){
        positions[i]= totWidth;
        totWidth += $(this).width();
    });
    $('#sliderGallery .slides').width(totWidth);
    $('#sliderGallery .sliderMenu ul li.menuItem a').bind('click',function(){
        clearInterval(intvl);
        advance(this);
    });
    $('#sliderGallery .slider').bind('mouseover',function(){
        clearInterval(intvl);
    });
    $('#sliderGallery .slider').bind('mouseout',function(){
        intvl = setInterval('autoAdvance()',2000);
    });
}
function advance(item){
    if($('.slider.introduction').length) return;
    $('.slider li.menuItem').removeClass('selected');
    $(item).parent().addClass('selected');
    var pos = $(item).parent().prevAll('.menuItem').length;
    $('#sliderGallery .slides').stop().animate({marginLeft:-positions[pos]+'px'},960);
}
function autoAdvance(){
    var item = $('#sliderGallery .sliderMenu ul li.menuItem a')[nextImg%$('#sliderGallery .sliderMenu ul li.menuItem a').length];
    advance(item);
    nextImg++;
}