Behaviour mouse out
<html> <head> <script type="text/javascript"> var djConfig = { baseScriptUri : "js/dojo/" }; </script> <script type="text/javascript" src="js/dojo/dojo/dojo.js"> </script> <script language="JavaScript" type="text/javascript"> dojo.require("dojo.behavior"); dojo.behavior.add({ "#myDiv" : { onmouseout: function (evt) { alert("onMouseOut fired"); } } }); dojo.behavior.apply(); </script> </head> <body> <div id="myDiv"> Mouse over me, and out me </div> </body> </html>