Index: Include/plan10_fields.phph
===================================================================
--- Include/plan10_fields.phph	(revision 81851)
+++ Include/plan10_fields.phph	(working copy)
@@ -869,7 +869,7 @@
 			$onChange = ' data-submitonchange="true"';
 		} elseif ($this->parms['event_on_change']) {
 			// FIXME: This doesn't get used but if it ever does it might not work with the jQuery form handling.
-			$onChange = " onChange=\"this.form.elements['_event[".$this->parms['event_on_change']."]'].click()\"";
+			$onChange = " data-eventonchange=\"_event[".$this->parms['event_on_change']."]\"";
 		}
 		return selection($this->name, $this->render_options(), $this->parms['extra'].$onChange);
 	}
Index: js/jquery.avatar.js
===================================================================
--- js/jquery.avatar.js	(revision 81851)
+++ js/jquery.avatar.js	(working copy)
@@ -310,6 +310,14 @@
 				});
 			}).delegate('form :input[data-submitonchange]','change',function(e){
 				$(this).closest('form').submit();
+			}).delegate('form :input[data-eventonchange]','change',function(e){
+				var elem = $(this),
+					form = elem.closest('form');
+					event = elem.attr("data-eventonchange");
+
+				if (event) {
+					form.find( ':input[name="'.event.'"]' ).trigger('mouseup').trigger('submit');
+				}
 			}).delegate('button.commit-button','mousedown',onClickConfirmButton);
 		}
 	};