Function to post data without having to create html elements beforehand

gistfile1.txt

function postData(url, data) {
    var theDiv = document.createElement('div');
    theDiv.style.display = 'none';

    var theForm = document.createElement('form');
    theForm.action = url;
    theForm.method = 'post';

    for (var key in data) {
        var newInput = document.createElement('input');
        newInput.type = 'hidden';
        newInput.name = key;
        newInput.value = data[key];
        theForm.appendChild(newInput);
    }

    theDiv.appendChild(theForm);
    document.body.appendChild(theDiv);

    theForm.submit();
}