def zio5(self,event=None):
"""Zoom in or out 5 levels"""
junk = event.keysym
if junk == 'Up':
ds9.zoomAll(self.window,5)
elif junk == 'Down':
ds9.zoomAll(self.window,-5)
def zio1(self,event=None):
"""Zoom in or out 1 level"""
junk = event.keysym
if junk == 'Up':
ds9.zoomAll(self.window,1)
elif junk == 'Down':
ds9.zoomAll(self.window,-1)