opacity = 0;
function show_registration()
    {
    opacity = opacity + 0.05;
    document.getElementById("registration_div1").style.display='block';
    document.getElementById("registration_div1").style.opacity = opacity;
    if (opacity >= 0.5)
        {
        clearTimeout(OpacityTimer);
        document.getElementById("registration_div2").style.display='block';
        document.getElementById("registration_div3").style.display='block';
        opacity = 0;
        }
    else
        {
        OpacityTimer = setTimeout(show_registration,100);
        }
    }
function hide_registration()
    {
    document.getElementById("registration_div1").style.display='none';
    document.getElementById("registration_div2").style.display='none';
    document.getElementById("registration_div3").style.display='none';
    opacity = 0;
    }

function show_forgotpass()
    {
    opacity = opacity + 0.05;
    document.getElementById("registration_div1").style.display='block';
    document.getElementById("registration_div1").style.opacity = opacity;
    if (opacity >= 0.5)
        {
        clearTimeout(OpacityTimer);
        document.getElementById("forgotpass_div2").style.display='block';
        document.getElementById("forgotpass_div3").style.display='block';
        opacity = 0;
        }
    else
        {
        OpacityTimer = setTimeout(show_forgotpass,100);
        }
    }
function hide_forgotpass()
    {
    document.getElementById("registration_div1").style.display='none';
    document.getElementById("forgotpass_div2").style.display='none';
    document.getElementById("forgotpass_div3").style.display='none';
    opacity = 0;
    }