function checkWholeForm()
{

    if (document.getElementById("visitor").value.length < 3) {
           alert("Your full name is required");
           document.sendlink.visitor.focus();
           return false;
    }

    if (document.getElementById("visitormail").value.length < 9) {
           alert("Your email address is required");
           document.sendlink.visitormail.focus();
           return false;
    }

    if (document.getElementById("friend").value.length < 3) {
           alert("Your friend's name is required");
           document.sendlink.friend.focus();
           return false;
    }

    if (document.getElementById("friendmail").value.length < 9) {
           alert("Your friend's email address is required");
           document.sendlink.friendmail.focus();
           return false;
    }

}