function getBody() {
    return document.getElementsByTagName('body')[0];
}


function removeAllChildren(element) {
    while(element.firstChild) {
        element.removeChild(element.firstChild);
    }
}

function moveAllChildren(fromElement, toElement) {
    while(fromElement.firstChild) {
        toElement.appendChild(fromElement.firstChild);
    }
}


String.prototype.trim = function() {
    return this.replace(/^\s+|\s+$/g, '');
}


function writeFooterEmail() {
    var user = "ajp";
    var site = "andypickering.com";
    document.getElementById('footerDiv').innerHTML = 
        '<p class="footer">Copyright &copy; <a href="mailto:' +
        user + '@' + site + '">Andrew Pickering</a></p>';
}