//  Resize Even
//  checks the canvas and adds 1px to the height is the file isn't even in height.
//  used for making sure the images @2x are even so that the low res obtained by halving them is perfect
//   

var savedRuler = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.PIXELS;
var w = app.activeDocument.width;
var h = app.activeDocument.height;
if(h % 2 != 0) app.activeDocument.resizeCanvas (w, h+1, AnchorPosition.TOPCENTER);
app.preferences.rulerUnits = savedRuler;