Box select help

i just had this problem (maybe it’s not a problem, but just my fault) with the box select that i didn’t have the other day. I’m not able to select the vertices that are on the other side of the face I’m looking at. I’ve tried using ''limit selection to visible" but it doesn’t that much. here are some screen shots
http://imageshack.us/photo/my-images/11/picture20k.png/
and i want to be able to select the vertices on that row not just the one that is visible
http://imageshack.us/photo/my-images/707/picture21q.png/

Thank you for your help !

switch to wireframe mode? [z key]

Make sure you have deselected the ‘limit selection to visible’

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ok thaks guys, i figured out why i wasn’t able to select everything at once, i was in in front view not ortho front view :S
sorry my bad, i’m just learning