What is the difference between VB script and Java script?

[newage123]

Which one is the better tool for client side validation? I am using java script .Can any one suggests which one is the better?
NJ website development
www.newagesmb.com

[Umz]

This site has info on both, though I don't know them myself:
www.w3schools.com

[Zaita]

Javascript would be better. I'd question the VBS engine on Linux/FireFox.