raytrace transperancy?

Support Materials and Textures
1

hi everyone, iv been about ray trace transperancy on blender wiki and it always shows a panel like this one: http://wiki.blender.org/uploads/7/75/Doc_2.6_Materials_Properties_Transparency.png
but i don’t know where this panel is?
cheers
sam

2

In blender Render, look on the materials…