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.
When you log in to Facebook, you'll be automatically be signed on to Facebook chat, which allows you to chat with anyone else who is also logged in to Facebook. However, you may only want to chat with a few people -- or even just one person -- while appearing offline to the rest of your Facebook friends.There are a few easy ways to appear offline without unfriending anyone. If you want to know how to do this in just a minute, follow these steps.owever, you may only want to chat with a few people -- or even just one person -- while appearing offline to the rest of your Facebook friends. There are a few easy ways to appear offline without unfriending anyone. If you want to know how to do this in just a minute, follow these steps.