Does anyone know of a tool (I've seen it before but forgot the name) which is a bar like 100x30 in pixel and when you click it, a box popups allowing you to select facebook, orkut, myspace , wordpress, etc etc, and you can blog the current site url you are surfing?

Anyone know the name?

I believe you are talking about http://www.addthis.com/ ?

Also check "share this" :)

yes, than kyou it's add this