FB friendlist page invite

HTMLElement.prototype.click = function() {
    var evt = this.ownerDocument.createEvent('MouseEvents');
    evt.initMouseEvent('click', true, true, this.ownerDocument.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
    this.dispatchEvent(evt);
}

var buttons = document.getElementsByClassName('uiButton');

for (var i = 0; i < buttons.length; i++)
{
    buttons[i].click();
}