diff --git a/homepage/css/index.m4 b/homepage/css/index.m4
index 52e43ec..f45332c 100644
--- a/homepage/css/index.m4
+++ b/homepage/css/index.m4
@@ -44,9 +44,8 @@ csspage(`yarahmode')
 
 <H4>side-effects</H4>
 <INPUT ONCLICK="
-document.getElementById('custom').value = document.getElementById('custom_input').value;
-var selected = document.querySelector('input[name=\'css\']:checked');
-if(selected != null)
+var selected;
+if((selected = document.querySelector('input[name=\'css\']:checked')) != null)
 	window.setStyling(selected.value);
 " TYPE="button" VALUE="apply to this page" />