Which DJ I should buy??

hello I'm Rino from Malaysia..I in a bit hurry as the bike seller want me to give my answer tonight or he will sell it to someone else..

One is Haro Thread 1.1 2010 Mountain Bike and another is Scott Voltage YZ 0..please help me I'm beginner for this sport and in little bit confused..which bike worth for dirt jump and street...as you can see the scott voltage have been upgraded quite good..but i wanna know which one is the best for DJ...
Both are used bike.I'm focusing on dirt jump and street or urban you guys called it..Furthermore the price between these two bikes is not much....sorry dude my english is no so good..


Haro Thread 1.1 2010 Mountain Bike Frameset
Sizes: 13” Short , 13” Long
Frame: Thread 7005 T6 Oversize Aluminum w/ e.thirteen Designed Adjustable Dropout
Fork: Suspension Corrected Crmo Rigid 4130 Heat treated
Haro Thread 1.1 2010 Mountain Bike Wheels
Hubset: Pivit Disc Alloy singlespeed cassette; 32h nutted F/R
Rim: Weinmann XTB 24 Double Wall w/ Eyelets
Spokes: Stainless Steel 14g
Tires: Kenda K-Rad 2.3”
Haro Thread 1.1 2010 Mountain Bike Drivetrain
Crank Set: Truvativ ISO Flow 3.0 34t Ring
Bottom Bracket: Truvativ Sealed Cartridge
Front Derailleur: n/a
Rear Derailleur: n/a
Derailleur Shifter: n/a
Freewheel: 16t Cog
Chain: KMC Z-410
Pedals: Pivit Platform w/ Replaceable Pins
Haro Thread 1.1 2010 Mountain Bike Components
Headset: Ritchey LB
Handlebar: Pivit riser bar; 25mm rise; 630 width; 31.8 clamp
Stem: Pivit; 50mm extension; 31.8 clamp
Grips: Pivit BMX style 140mm
Saddle: Pivit slim; 8mm cromo rails
Seat Post: Pivit alloy micro adjust 30.9
Seat Post Clamp: Pivit alloy QR
Brakes: Hayes MX4 Mechanical Disc w/ 6” Rotors
Brake Lever: Tektro Alloy


AND THE SCOTT VOLTAGE SPEC ARE :
Scott Voltage YZ0, 15 inches
-Marzocchi Dirt Jump 3, 100mm travel (less than 5 rides)
-Truvativ Ruktion crankset with 38T single chainring
-Truvative Howitzer BB
-Dabomb Recoil Dh chainguide
-Shimano DX platform, 2 sets of pedal pins (new)
-Avid Juicy 7 with 203mm Avid rotors (recently serviced and changed oil)
-Shimano Sora shortcage rd (less than 3months)
-105 9speed cassette (less than 3 months)
-Deore rear shifter only (less than 3 months)
-Novatec 32h hubs with DtSwiss spokes (less than 3 months)
-Tires, F-Maxxis DHr 2.50, 2.50-2.70 DH tube with presta valve (less than 3 months),
-Tires, R-Tioga Factory DHr 2.30, standard Kenda tube (less than 5 rides)
-Sun Ringle Ryno lite rims, 29.5mm wide
-SDG kona freeride saddle
-Hussefelt DH 35mm riserbar
-Kona DJ oversized stem
-Amoeba lock-on grips

the scott link
http://www.bicyclebuysell.com/view_sell.php?id=128097