jquery(document).ready(function ($) {

    ////fancybox
    //$('.fancybox').fancybox({
    //    'transitionin'	: 'elastic',
    //    'transitionout'	: 'elastic',
    //    'overlayopacity': 0.3
    //});

    $('ul.sf-menu').superfish();

    //二级菜单hover
    //$('.dropdown-toggle').dropdownhover();

    // slider
    $("#slider").responsiveslides({
        auto: true,
        speed:800,
        pause: true,
        pager: false,
        nav: true,
        namespace: "callbacks"
    });

    //teasers
    $('.teasers').hover(
        function(){
            if( $(this).children('.icon').is(':animated')){
                $(this).children('.icon').stop();
            }
            $(this).children('.icon').animate({
                'backgroundposition': '0 -150px'
            }, {
                duration: 900,
                easing: 'swing'
            });

        },
        function(){
            if( $(this).children('.icon').is(':animated')){
                $(this).children('.icon').stop();
            }
            $(this).children('.icon').animate({
                'backgroundposition': '-150 0px'
            }, {
                duration: 900,
                easing: 'swing'
            });

        })


    $(function(){
        (function($) {
            $.extend($.fx.step,{
                backgroundposition: function(fx) {
                    if (fx.state === 0 && typeof fx.end == 'string') {
                        var start = $.curcss(fx.elem,'backgroundposition');
                        start = toarray(start);
                        fx.start = [start[0],start[2]];
                        var end = toarray(fx.end);
                        fx.end = [end[0],end[2]];
                        fx.unit = [end[1],end[3]];
                    }
                    var nowposx = [];
                    nowposx[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
                    nowposx[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];
                    fx.elem.style.backgroundposition = nowposx[0]+' '+nowposx[1];

                    function toarray(strg){
                        strg = strg.replace(/left|top/g,'0px');
                        strg = strg.replace(/right|bottom/g,'100%');
                        strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
                        var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
                        return [parsefloat(res[1],10),res[2],parsefloat(res[3],10),res[4]];
                    }
                }
            });
        })(jquery);
    })


});