function emailswitch(email_id)
    {
    var ie6 = document.getElementById&&document.all&&(navigator.appVersion.indexOf("MSIE 6.")!=-1);
    var ie7 = document.getElementById&&document.all&&(navigator.appVersion.indexOf("MSIE 7.") != -1);

    if(ie6 || ie7)
        {
        if (document.getElementById(email_id).style.display=='inline-block')
            {
            document.getElementById(email_id).style.display='none';
            }
        else
            {
            document.getElementById(email_id).style.display='inline-block';
            }
        }
    else
        {
        if (document.getElementById(email_id).style.display=='table-row')
            {
            document.getElementById(email_id).style.display='none';
            }
        else
            {
            document.getElementById(email_id).style.display='table-row';
            }
        }
    }