Underwater particles

[charon productions 10]

Does anyone know how to make particles that have a long lifetime under water? Whatever i do, as soon as a particle goes below the water surface it fades out even if the lifetime is set to 1000.

I cant download this anymore : http://www.flashpoint1985.com/cgi-bin/ikonboard311/ikonboard.cgi?;act=ST;f=70;t=76056;st=0

It seems as if he found a way.