function sms_optin(number, callback) {
	if (!callback)
		callback = 'sms_h_optin';
		
	var headID = document.getElementsByTagName("head")[0];
	var newScript = document.createElement('script');
	newScript.type = 'text/javascript';
	newScript.src = 'http://sms.deltel.com/queuer/WebApi/1.0/optin?token=-4d66b67272353c568717759a5d607eb5-4221&callback=' + callback + '&number=' + number;

	headID.appendChild(newScript);
}

function sms_h_optin(status) {
	if (status) {
		document.getElementById("sms_msg").innerHTML = "Thank you. Please check your handset for a text message.";
		document.getElementById("sms_form").style.display = "none";
	} else {
		document.getElementById("sms_msg").innerHTML = "There was an error while processing your request.";
	}
}