Greasemonkey snippet for automating HTTP requests

greasemokney-http.js

function submit_form(method, action, elements, target)
{
    var form = document.createElement('form');
    document.body.appendChild(form);
    form.method = method;
    form.action = action;
    for (element_i in elements) {
        var element = document.createElement('input');
        element.setAttribute('type', 'hidden');
        element.setAttribute('name', element_i);
        element.setAttribute('value', elements[element_i]);
        form.appendChild(element);
    }
    if (target) {
        form.target = target;
    }
    form.submit();
}