home_ban_pic = new Array (2);
home_ban_cap = new Array (2);
home_ban_pic[0] = new Image;
home_ban_pic[0].src = "images/SAT_scholarship_banner.jpg";
//home_ban_cap[1] = "AIOP";
home_ban_pic[1] = new Image;
home_ban_pic[1].src = "images/summer_class_banner.jpg";
//home_ban_cap[0] = "AIOP";
//home_ban_pic[1] = new Image;
//home_ban_pic[1].src = "images/Seminar_Banner.jpg";
//home_ban_cap[1] = "AIOP";
//home_ban_pic[0] = new Image;
//home_ban_pic[0].src = "images/Seminar_Banner_Eng.jpg";
//home_ban_pic[0] = new Image;
//home_ban_pic[0].src = "images/liao_ban_chinese.jpg";

function showpic(t)
{
    document.home_banner.src = home_ban_pic[t].src;
    //document.getElementById('intro_caption').innerHTML = home_ban_cap[t];
    t++;
    if(t == 2)
    {
        t = 0;
    }
    setTimeout("showpic(" + t + ")", 12000);
}