diff --git a/templates/registration/register.html b/templates/registration/register.html
index 6fedb8a..ee3cf6d 100644
--- a/templates/registration/register.html
+++ b/templates/registration/register.html
@@ -21,5 +21,33 @@
 		</div>
 	</div>
 </div>
-{% endblock %}
 
+<script type="text/javascript">
+$(document).ready(function() {
+	function isDNCall(e) {
+		var call = $("#id_username").val().toUpperCase();
+		var disableState = false;
+		console.log("NOOT NOOT" + call);
+		if(call.startsWith("DN")) {
+			var disableState = true;
+			console.log("TIME TO DISABLE SHIT");
+		}
+
+		$("#id_dncall").prop("disabled", disableState);
+		$("#id_qrv2m").prop("disabled", disableState);
+		$("#id_qrv70cm").prop("disabled", disableState);
+		$("#id_extra2m70cm").prop("disabled", disableState);
+		if(disableState) {
+			$("#id_dncall").prop("value", "");
+			$("#id_qrv2m").prop("checked", false);
+			$("#id_qrv70cm").prop("checked", false);
+			$("#id_extra2m70cm").prop("checked", false);
+		}
+		console.log($("#id_dncall"));
+	}
+
+	$("#id_username").on("input", isDNCall);
+	$("#id_username").change(isDNCall);
+});
+</script>
+{% endblock %}