Sometimes an event handler must have a return value (for example,
onMouseOver="window.status='This is a link'; return true"). But if Dreamweaver inserts
"return behaviorName(args)" into the event handler, behaviors later in the list are skipped.
To get around this limitation, set a variable called
document.MM_returnValue to the desired return value within the string returned by
behaviorFunction(). This setting causes Dreamweaver to insert
return document.MM_returnValue at the end of the list of actions in the event handler. See the Validate Form.js file in the Configuration/Behaviors/Actions folder within the Dreamweaver application folder for an example of the use of