ok let me explain the situation.
I have comcast netgear modem/wireless router.  this is in my "office" room.  My desktop which does NOT have wireless is in my bedroom.  I tried to move the modem into my bedroom but my internet doesn't work well there (possibly because I'm using a splitter for TV/modem)...
 
What I want to do is... use a second router which I already have to receive the signal transmitted by the netgear router... Then I can use ethernet from the second router to connect to the internet in my bedroom.
 
is this possible?  If so can someone please guide me?
 
The second router I have is a D-Link DI624.
 

Consider this ethernet cable to 4 port R45 jack extension switch.
 
http://www.newegg.com/Product/Prod [...] 6833127085

yea i've thought about buying switches/hubs but since I already have another router, I was hoping to save money, and alleviate wire clutter by being able to use my wireless router.
 
any other suggestions?  I'm assuming I should be able to get my DI-624 to connect to my existing wireless network without having to connect a WAN ethernet cable... I'm just not sure of how to go about doing this...

I am not familiar with that particular wireless router, but what you want to look for is a configuration for "bridge mode". A bridge is the correct piece of hardware for what you want to do, and a lot of routers/APs will work as a bridge.