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Are you getting this error after updating your iPhone to IOS9 "Act! Premium Mobile . Before you log on, you must change your mobile device's browser settings and enable Javascript..."? You are not alone. The IOS update changed some Javascript items and it requires a fix on the ACT Premium for Web side to handle this issue.
Here's what you need to do. The fix requires modifying two of the source files for ACT!'s web interface, which are noted below. &