so I am going to be hooking up my home theater system and I don't think my receiver has HDMI passthroughI dont know for sure because it is somewhere in the shipping process

).. so my question;
Cable TV is going into the receiver via HDMI, and HDMI up to the TV. If my receiver doesn't have the passthrough what is my next best option for watching TV without the surround sound blasting? I thought about a HDMI 2X1 splitter off the cable box, one into the receiver and one into the 2nd HDMI input of the tv. then use HDMI 1 if I wanted the receiver/home theater on or HDMI 2 for regular stereo mode using the TV speakers. What are some good 1in-2out splitters? or is there a better way? thanks audioholics!