$(document).ready(function() {
    center_background();

    $(window).bind('resize', function() {
        center_background();
    });

    function center_background() {
        offset = parseInt($("body").width()/2) - 767;
        $("body").css("background-position", offset + "px 0px");
    }

    function callmedia(){
        $(".media2").hide();
        $(".media3").show();
    }
    function callmedia2(){
        $(".media21").hide();
        $(".media31").show();
    }

    $('.media').media();

    $('#banner1').flash({
        src: '/flash/hetero/banner1.swf',
        width: 472,
        height: 190
    });

    $('#banner2').flash({
        src: '/flash/hetero/banner2.swf',
        width: 472,
        height: 190
    });

    $('#facebook').flash({
        src: '/flash/hetero/facebook.swf',
        width: 233,
        height: 121
    });

    $('#calculadora').flash({
        src: '/flash/hetero/calculadora.swf',
        width: 227,
        height: 283
    });


    $(".media2").click(function(){
        callmedia();
    });
    $(".media21").click(function(){
        callmedia2();
    });
});