function displaySendToFriend()
{
    document.getElementById("popupFriend").style.display="";
}

function hideSendToFriend()
{
    document.getElementById("popupFriend").style.display="none";
}

function displayPrivacyPolicy()
{
    document.getElementById("popupPrivacy").style.visibility = "";
}

function hidePrivacyPolicy()
{
    document.getElementById("popupPrivacy").style.visibility = "hidden";
}

function displayWhatsThis()
{
    document.getElementById("popupWhatsthis").style.visibility = "";
}

function hideWhatsThis()
{
    document.getElementById("popupWhatsthis").style.visibility = "hidden";
}

function hidePopup(ID)
{
    alert(ID);
    document.getElementById(ID).style.display = "none";
}