+%# default ip address to null, unless the router/block are set to the
+%# previous value, in which case default it to current value
+ if ( routernum == router_curr_values[0] &&
+ blocknum == router_curr_values[1] ) {
+ input_ip_addr.value = ip_addr_curr_value;
+ } else {
+ input_ip_addr.value = <% mt('(automatic)') |js_string %>;
+ }