Thanks flyingron and Mr. Kowitall for your valuable inputs!!!

Just to clarify few things I am currently working for an MNC outside USA and hence require H1B to travel and work in US for certain Clients, so I would believe my current visa is legitimate. During my break I have no plans of entering US however after I join my next company (probably an MNC) will they have to apply my "new H1B" using lottery again?