How can i not be afraid of death?

Ok so im only 15 and i am so scares of death . like last night i was watching Click with adam sandler and i started crying cause he was dyeing and the all of a sudden i was bursting in tears cause i don't want to die and i don't want my parents or brother and sister to either. And i try to picture it after i die and its just black. I do believe in god but its just lately this fear is ldon'ttaking over and i dont know how to stop it im am so afraid of it. Please help i dont know how to stop it. I keep telling my self it has to happen but still. And also i hear like " the worlds ganna end in 2012" which just scares me even more