Well said Julianne.Using lower case and SMS text type language may be fine for doing just that with friends but when posting in a public forum it makes for difficult reading and sends the message that you are either lazy and can't be bothered to spell words out fully and/or correctly, or your grasp of the language is not very good - assuming that your first or only one is English.
Please be sure to check the FAQs:
Looking for work?
Agents and agencies
Finding an agent
Where are the auditions?