function sms_submit() {
	if($('#sms_reply').val() == '') {
		alert('Please enter a number to be texted back at.');
	}
	else if($('#sms_name').val() == '') {
		alert('Please provide your name.');
	}
	else if($('#smsinput').val() == '') {
		alert("Please write a message.");
	}
	else {
		$('#quicksms').submit();
	}
}

function sms_keypress(e) {
	if(e != null && window.event) e = window.event;
	var chars_avail = 140;
	var is_char = false;
	if(e != null) {
		is_char = e.keyCode == 0;
		if(window.event) {
			is_char = true;
		}
	}
	chars_avail -= ($('#sms_reply').val().length + $('#sms_name').val().length);
	chars_avail -= $('#smsinput').val().length;
	$("#sms_chars_avail").html(chars_avail+" characters left");
	return !is_char || (chars_avail > 0);
}