var pic_arr  = new Array();
pic_arr[1]  = new Array();
pic_arr[2]  = new Array();
pic_arr[3]  = new Array();
pic_arr[1]['img'] = "images/banner_1.jpg";
pic_arr[1]['href'] = "#";
pic_arr[2]['img'] = "images/banner_2.jpg";
pic_arr[2]['href'] = "#";
pic_arr[3]['img'] = "images/banner_3.jpg";
pic_arr[3]['href'] = "#";



var run_pic = 0;
var is_auto = true;
banner_init();
setInterval("banner_auto()", 2000);

function banner_init()
{
        var i = 0;
        for(i = 1;i < 4;i++)
        {
                $("#banner_big_" + i).attr("src", pic_arr[i]['img']);
        }  
}


function banner_page(x)
{
        if (pic_arr[x]['href'] != "#")
        {
             window.location.href = pic_arr[x]['href'];
        }
}

function banner_auto()
{
        if (is_auto)
        {  
            if (run_pic == 0 || run_pic == 4)
            {
                run_pic = 1;
            }
            $("#banner_big_1").hide();
            $("#banner_big_2").hide();
            $("#banner_big_3").hide();
            $("#banner_big_" + run_pic).show();
            $(".photo_01").attr("class", "photo_02");
            $("#pic_" + run_pic).attr("class", "photo_01");
            run_pic++;
        }
        else
        {
            clearInterval();
        }
}

function change_banner(x)
{
    is_auto = false;
    clearInterval();
    $(".photo_01").attr("class", "photo_02");
    $("#pic_" + x).attr("class", "photo_01");
    $("#banner_big_1").hide();
    $("#banner_big_2").hide();
    $("#banner_big_3").hide();
    $("#banner_big_" + x).show();
}