function vc_doTwitterAPIPost($twit, $twitterURI) {

	//check if user login details have been entered on admin page
	$thisLoginDetails = get_option('twitterlogin_encrypted');

	if($thisLoginDetails != '')
	{
		//this code based on http://www.morethanseven.net/posts/posting-to-twitter-using-php/
		//
		list($username,$password) = split(":",base64_decode($thisLoginDetails));
		$url = 'http://twitter.com/statuses/update.xml';
		$curl_handle = curl_init();
		curl_setopt($curl_handle, CURLOPT_URL, "$url");
		curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 2);
		curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($curl_handle, CURLOPT_POST, 1);
		curl_setopt($curl_handle, CURLOPT_POSTFIELDS, "$twit");
		curl_setopt($curl_handle, CURLOPT_USERPWD, "$username:$password");
		$buffer = curl_exec($curl_handle);
		curl_close($curl_handle);
		return '';
	} else {
		//user has not entered details.. Do nothing? Don't wanna mess up the post saving..
		return '';
	}
}