function getRequestToken() {
    log("getRequestToken");
    var req = getOAuthRequest("POST", API_REQUEST_TOKEN_URL)

    req.onreadystatechange = function() {
	if (req.readyState === XMLHttpRequest.DONE) {
	    log("REQUEST TOKEN RESPONSE: " + req.responseText);
	    var response = req.responseText.split('&');
	    requestToken = response[0].split('=')[1];
	    requestTokenSecret = response[1].split('=')[1];
	    log("Received requestToken: " + requestToken);
	    log("Received requestTokenSecret: " + requestTokenSecret);

	    // Open webView so user can authorize our app with our requestToken
	    authStep = 2;
	    authWebViewUrl = API_AUTHORIZATION_URL + "?oauth_token="+requestToken;
	}
    }