[Webtest] Javascript error?

[Lawrence Yi]

Hi,   I am getting the following error: “…   [invoke]  INFO (com.canoo.webtest.steps.Step) - Message was: Step[invoke "Go to start page" (2/3)]: Script error loading page executing webtest at: invoke TypeError: Cannot set property "onunload" of null to "[EMAIL PROTECTED]" (Embedded script in http://10.207.128.112/powerforce/login.asp#6)    [invoke] Source code:    [invoke] function htmlunit_evh_JJLL0()    [invoke] {    [invoke]          mstrSubmitState ='';    [invoke]          //HelpDlg.close();    [invoke] }    [invoke] body.>   BUILD FAILED “   The corresponding script on HTML page is: “… <Script for="" language="_javascript_" event="onunload">             mstrSubmitState ='';             //HelpDlg.close(); </Script> “   Regards, Lawrence.