I'm new to MaxScripts;And my English is pool...I'm sorry.
This is my first script,yet,it may has some problems,I'm glad to know them,If you find them,please mail me,thank you!
This script is used to contrl VrayMtl in the scene,includ Blend,Shellac,TopBottom,VRayOverrideMtl[base],VRay2SidedMtl, VRayMtlWrapper,Mult/Sub,VRayBlendMtl and so on.(only for first layer...)