Precise cables needed to connect my Macbook Pro to my LG LCD TV

I have the 13 inch MacBook Pro & I have this tv:

http://reviews.cnet.com/flat-panel-tvs/lg-19lg30/4505-6482_7-33020325.html?tag=rnav

Specifications: http://reviews.cnet.com/flat-panel-tvs/lg-19lg30/4507-6482_7-33020325.html?tag=mncolBtm;rnav

Manufacturer:LG
Part Number:19LG30
General
Product type LCD TV
Diagonal Size 19 in - Widescreen
Dimensions & Weight Details Panel without stand - 18.1 in x 2.7 in x 13.6 in x 10.6 lbs , Panel with stand - 18.1 in x 7.5 in x 15.4 in x 11 lbs
Enclosure Color Gloss piano black
Display
TechnologyTFT active matrix
LCD Pixel Response Time 5 ms
Image Aspect Ratio 16:9
Dynamic Contrast Ratio 5000:1
Widescreen Modes16:9 , Just , Zoom
Color Temperature Control Yes (Warm/Medium/Cool)
Progressive Scan Progressive scanning (line doubling)
Viewing Angle 160 degrees
Viewing Angle (Vertical) 160 degrees
Display Menu LanguageFrench , English , Spanish
Backlight Life 60,000 hour(s)
Comb Filter 3D digital
V-Chip ControlYes
Picture Adjustment Cinema/Sports/Game
TV Tuner
Tuner Qty1x analog , 1x digital
Digital TV Tuner QAM , ATSC
Analog TV Tuner NTSC
Stereo Reception System MTS
Channel Coverage DTV:2-69 , VHF:2-13 , UHF:14-69 , Cable:1-135
Secondary Audio Program (SAP) Yes
Video Features
Video Interface HDMI , S-Video , Component , Composite
HDTV Ready Yes
Input Video Formats 480i , 480p , 720p , 1080i , 1080p
Supported Computer Resolutions 640 x 350 , 720 x 400 , 1360 x 768 , 1920 x 1080 , 640 x 480 (VGA) , 1024 x 768 (XGA) , 800 x 600 (SVGA) , 1280 x 768 (WXGA) , 1280 x 1024 (SXGA) , 1600 x 1200 (UXGA)
Freeze Memo Yes
Parental Channel Lock Yes
Closed Caption Capability Yes
Audio System
Speaker(s) 2 x Right/left channel speaker - Built-in - 3 Watt
Sound Output Mode Stereo
Surround Mode Yes
Sound Effects SRS TruSurround XT
Audio Controls Bass , Treble , Balance , Sound mode
Output Power / Total 6 Watt
Additional Features Auto volume adjustment
Connections
Connector Type 1 x HDMI ( 19 pin HDMI Type A ) - Rear , 1 x Composite video/audio input ( RCA phono x 3 ) - Rear , 1 x Component video input ( RCA phono x 3 ) - Rear , 1 x Audio line-in ( RCA phono x 2 ) - Rear , 1 x S-Video input ( 4 pin mini-DIN ) - Rear , 1 x Headphones ( Mini-phone stereo 3.5 mm ) - Rear , 1 x Serial ( 9 pin D-Sub ) - Rear , 1 x RGB input ( 15 pin HD D-Sub (HD-15) ) - Rear , 1 x Audio line-in ( Mini-phone stereo 3.5 mm ) - Rear
PC Interface VGA (HD-15)
Remote Control
Remote Control Remote control - Infrared
Stands & Mounts
Stand Included Yes
Stand Design Tabletop
Flat Panel Mount Interface 100 x 100 mm
Power
Power Device Power supply - Internal
Power AC 120/230 V
Power Consumption Stand by / Sleep 1 Watt
Power Consumption Operational 45 Watt
Manufacturer Warranty
Service & Support 1 year warranty
Service & Support Details Limited warranty - Parts and labor - 1 year
Dimensions & Weight (Shipping)
Width (Shipping) 20.5 in
Depth (Shipping) 6.8 in
Height (Shipping) 16.6 in
Weight (Shipping) 13.9 lbs
Sustainability
ENERGY STAR QualifiedYes
Greenpeace policy rating (May 2010) 3.7

I currently want to be able to connect my MacBook to my tv.

I have this cable already (Mini DisplayPort to VGA Adapter ) http://store.apple.com/us/product/MB572Z/A

Should i return the cable above back to the store? And can you guys link me to the exact cable i need on best buys website or apples.

Thanks