function getDocWidth() {
    var D = document;
    return Math.max(
        Math.max(D.body.scrollWidth, D.documentElement.scrollWidth),
        Math.max(D.body.offsetWidth, D.documentElement.offsetWidth),
        Math.max(D.body.clientWidth, D.documentElement.clientWidth)
    );
}

function getDocHeight() {
    var D = document;
    return Math.max(
        Math.max(D.body.scrollHeight, D.documentElement.scrollHeight),
        Math.max(D.body.offsetHeight, D.documentElement.offsetHeight),
        Math.max(D.body.clientHeight, D.documentElement.clientHeight)
    );
}

$(document).ready(function () {
    $('a.pop').click(function (e) {
        e.preventDefault();
        window.open($(this).attr('href'));
    });
    
    $('#myForm').submit(function (e) {
        $('#msginput').html('');
        
        var nameVal = $('#nameinput').val().replace(/\s/, '');
        var emailVal = $('#emailinput').val().replace(/\s/, '');
        var subjectVal = $('#subjectinput').val().replace(/\s/, '');
        var commentVal = $('#commentinput').val().replace(/\s/, '');
        
        if (nameVal == '' && emailVal == '' && subjectVal == '' && commentVal == '') {
            $('#msginput').html('No blank emails please.  Fill in some details, and try again!');
            return false;
        }
        else {
            $('#msginput').html('');
            return true;
        }
    });
});