Just recently my mouse pointer has been behaving oddly. In another forum the black arrow does not change to a hand when over a link, but not consistently. If I change to a different section it may show a hand at first and then not change thereafter. When it doesn't change, as it approaches a link, a "ghost" hand seems to flicker near it but the black pointer remains. Function is fine, it is just unsettling. Any ideas? Is the fault with the forum software rather than my iMac? I believe there has been a recent forum upgrade.