function change_class(id)

{

    document.getElementById(id).className+= '_act';

}



function back_class(id)

{

    document.getElementById(id).className = id;

}



function hp_slideshow()

{

    p = document.getElementById('home_slideshow_wrap');

    p.style.width = document.getElementById('master0').offsetWidth + 'px';

    oS_B = document.getElementById('s_b');

    oC_BR = document.getElementById('c_br');

    oC_BL = document.getElementById('c_bl');



    h = p.offsetHeight;

    w = p.offsetWidth;



    document.getElementById('s_l').style.height = document.getElementById('s_r').style.height = h + 'px';

    document.getElementById('s_t').style.width = document.getElementById('s_b').style.width = w + 'px';



    oS_B.style.top = (h - 3) + 'px';

    oC_BR.style.top = oC_BL.style.top = (h - 16) + 'px';

}



function p_slideshow()

{

    p = document.getElementById('slideshow_wrap');



    if (p != null && p !== undefined)

    {

        p.style.width = document.getElementById('master0').offsetWidth + 'px';



        h = p.offsetHeight;

        w = p.offsetWidth;



        s = document.getElementById('p_sides');



        s.style.height = (h - 2) + 'px';

        s.style.width = (w - 2) + 'px';



        //oCP_BR = document.getElementById('cp_br');

        //oCP_BR.style.top = (h - 16) + 'px';

        //oCP_BR.style.left = (w - 16) + 'px';

    }

}