function expandComments(divId)
{
    //new Effect.toggle(divId, 'appear', { duration: 0.2 });
    div=document.getElementById(divId);
    if(div.style.display == "none"){
        div.style.display="block";
    }
    else{
        div.style.display="none";
    }
}

function checkEmail(oInput)
{
    with(oInput)
    {
        whites=value.indexOf(" ");
        apos=value.indexOf("@");
        dotpos=value.lastIndexOf(".");
        if (apos<1||dotpos-apos<2 || whites>=0||value.length<dotpos+3)
        {
            return false;
        }
        else
        {
            return true;
        }
    }
}