High blood calcium (hypercalcemia) is a condition of too much calcium in your blood.igh blood calcium (hypercalcemia) is a condition of too much calcium in your blood.
Hiding and revealing your Facebook presence is easy, requiring only a few clicks. Sign in to your Facebook account and click the Chat box in the lower-right corner of any page. Click Options and select Go Offline to hide your name from Friends On Chat lists.ou can see a list of your available friends in two spots. The Friends On Chat list appears in the left column of your homepage, and the Chat box is in the lower-right corner of all pages.
Log in to your Facebook account. At this point, any friends who have their Chat windows open can see that you're online, so you must act quickly if you want to avoid detection. Click the Chat button at the bottom of your screen, and then click the gear icon at the top of the Chat window.Click Turn Off Chat, and then select Turn Off Chat for All Friends.. Click Okay to go into stealth mode. Your friends will now view your status as offline, whether or not you're actually logged in.lick the Chat button at the bottom of your screen, and then click the gear icon at the top of the Chat window. Click Turn Off Chat, and then select Turn Off Chat for All Friends.. Click Okay to go into stealth mode.