Visit this website for instructions on how to disable the pop-up blocker:
Internet Explorer for Windows
From the Tools menu, select Internet Options. You see the Internet Options dialog that provides a number of tabs that allow you to set your browser preferences.
To enable session cookies, click the Privacy tab.
From the Settings section of the tab, click Advanced.
Locate and click the checkbox next to “Allow from websites I visit”
Locate the Custom area of the Security tab, and click the Custom Level button.
From the Security Settings dialog that opens, scroll through the options until you see Scripting.
Check the radio buttons next to Enable Active Scripting and Scripting of Java applets.
Click OK to accept scripting and cookie handling changes and close the Security Settings window.
From the Internet Options dialog, click Apply to effect settings then OK to close the dialog.
Netscape and Mozilla users on Windows or Macintosh
From the Edit menu (Windows) or Netscape menu (Macintosh), select Preferences.
From the Category menu, click open the Privacy & Security category.
From the Cookies page, click the radio button next to Enable all cookies. If you elect to accept cookies based on privacy settings, use a Medium level.
From the Category menu, click open the Advanced category.
Select Scripts & Plugins.
Click OK to apply changes and close the Preferences dialog.
Safari users on Macintosh
From the Macintosh file menu, select Safari and then Preferences.
From the Preferences dialog that opens, select the Security option (padlock icon).
Under the Accept Cookies option, check the radio button “Allow from websites I visit”
Click OK and close the Preferences dialog to apply changes.
Firefox users on Windows and Macintosh
From the Tools menu (Windows) or Firefox menu (Macintosh), select Options.
From the Options dialog that opens, select the Content option (globe icon).
Select the Privacy option (padlock icon)
Under the Cookies tab, check the Checkbox for Allow sites to set Cookies.
Click OK and close the Options dialog to apply changes.