MS script error upon saving or closing records (acct, contact, opp)

Each time we close out of a record, we get the following error message:

Microsoft Dynamics CRM has encountered an error:

Please tell Microsoft about this problem.

Microsoft Dynamics CRM Error Report Contents

<CrmScriptErrorReport>
  <ReportVersion>1.0</ReportVersion>
  <ScriptErrorDetails>
   <Message>'this.get_innerControl()' is null or not an object</Message>
   <Line>1</Line>
   <URL>/_static/_forms/form.js?ver=-2145535685</URL>
   <PageURL>/userdefined/edit.aspx?etc=1&id=%7b264129E7-D318-E211-8B21-78E3B508D8E9%7d&pagemode=iframe&preloadcache=1359039701609</PageURL>
   <Function>anonymous(isVisible){this.get_element().style.visibility=isVisible?"visible":"hidden";this.get_innerControl().setVisible(isVisible);if(isVisible&&!isNullOrEmptyString(this.get_element().style.display))this.get_element().style.display="";if(!IsNull(this.$2</Function>
   <CallStack>
    <Function>anonymous(isVisible){this.get_element().style.visibility=isVisible?"visible":"hidden";this.get_innerControl().setVisible(isVisible);if(isVisible&&!isNullOrEmptyString(this.get_element().style.display))this.get_element().style.display="";if(!IsNull(this.$2_4)&&this.$3s_4){this.$2_4.style.visibility=isVisible?"visible":"hidden";if(isVisible&&!isNullOrEmptyString(this.$2_4.style.display))this.$2_4.style.display=""}this.$5m_4(isVisible)}</Function>
    <Function>anonymous(isVisible){this._control.setVisible(isVisible)}</Function>
    <Function>leftNav()</Function>
    <Function>anonymousanonymous(){leftNav();}</Function>
   </CallStack>
  </ScriptErrorDetails>
  <ClientInformation>
   <BrowserUserAgent>Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.3; .NET4.0E; Tablet PC 2.0; Microsoft Outlook 14.0.6126)</BrowserUserAgent>
   <BrowserLanguage>en-us</BrowserLanguage>
   <SystemLanguage>en-us</SystemLanguage>
   <UserLanguage>en-us</UserLanguage>
   <ScreenResolution>1680x1050</ScreenResolution>
   <ClientName>Outlook Laptop - Online</ClientName>
   <ClientTime>2013-01-24T09:01:49</ClientTime>
  </ClientInformation>
  <ServerInformation>
    <OrgLanguage>1033</OrgLanguage>
    <OrgCulture>1033</OrgCulture>
    <UserLanguage>1033</UserLanguage>
    <UserCulture>1033</UserCulture>
    <OrgID>{FB8CC594-E25A-45A9-9E96-F1172852D019}</OrgID>
    <UserID>{7FBBA80B-BA10-E211-B4F3-78E3B511B6BD}</UserID>
    <CRMVersion>5.0.9690.3233</CRMVersion>
  </ServerInformation>
</CrmScriptErrorReport>