We have detected your Popup Blocker enabled. Your Popup Blocker needs to be disabled to compare multiple sites. Disable and try again
To Turn Off Your Pop-Up Blocker in Internet Explorer...
Step 1: Click "Tools" from the browser's menu.
Step 2: From the Tools menu, click 'Pop-up Blocker'
Step 3: Now click 'Always Allow Pop-ups from This Site...'
That's it. Now click Previous Page to compare the selected merchants.