1. From the Tools menu, click Internet Options. (for Internet Explorer v. 6) or from the Tools icon drop-down arrow , click Internet Options. (for Internet Explorer v. 7)
2. Click the Security tab.
3. Click Custom level…Figure 4-8 Security tab
4. Click Enable under the Access data sources across domains section (the first selection under the Miscellaneous section).Figure 4-9 Enable Access data sources across domains
5. Click OK.