Zoom in button on images doesn't work [OSX Chrome v38.0.2125.104]

[blahah]

e.g. here: http://www.geotagx.org/app/monsoon2013/task/380

Button is clickable but has no effect. No messages appear in the console.

[Treblesteph]

For me, zoom in worked in drought, but not in shelter.

[blahah]

This is probably a dupe of geotagx/pybossa#2

[elliec]

button is working but photos are all zoomed to full extent. will be fixed in the javascript asap. thanks again!