$(document).ready(function() {
    $('#dvTerms').hide();
    $('a#terms-toggle').click(function() {
        $('#dvTerms').toggle('slow');
        return false;
    });
});

function CheckEmpty() {
    if (document.getElementById("txtName").value == "") {
        document.getElementById("btnComment").disabled = true;
        return false;
    }
    else if (document.getElementById("txtEmail").value == "") {
        document.getElementById("btnComment").disabled = true;
        return false;
    }
    else if (check_email(document.getElementById("txtEmail").value) == false) {
        document.getElementById("btnComment").disabled = true;
        return false;
    }
    else if (document.getElementById("txtComment").value == "") {
        document.getElementById("btnComment").disabled = true;
        return false;
    }
    else if (document.getElementById("txtLocation").value == "") {
        document.getElementById("btnComment").disabled = true;
        return false;
    }
    else if (document.getElementById("txtSecret").value == "") {
        document.getElementById("btnComment").disabled = true;
        return false;
    }
    else if (document.getElementById("btnComment").disabled==true) {
        document.getElementById("btnComment").disabled = false;
    }
}
function FixDescLength() {
    var strDesc;
    if (document.getElementById('txtComment').value.length > 300) {
        strDesc = document.getElementById('txtComment').value;
        document.getElementById('txtComment').value = strDesc.substring(0, 300);
        document.getElementById('txtComment').focus();
        return false;
    }
}

function check_email(emailid) {
    emailRegExp = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.([a-z]){2,4})$/;
    if (emailRegExp.test(emailid)) {
        return true;
    }
    else {
        return false;
    }
}