An attempt to avoid a long list of if statements

gistfile1.js

//all of this is within a pretty long method for handling key events

var groupChoices = {
  65  : 'a', 66  : 'b', 67  : 'c',
  68  : 'd', 69  : 'e', 70  : 'f',
  71  : 'g', 72  : 'h', 73  : 'i',
  74  : 'j', 75  : 'k', 96  : '0',
  97  : '1', 98  : '2', 99  : '3',
  100 : '4', 101 : '5', 102 : '6',
  103 : '7', 104 : '8', 105 : '9'
};

var navChoices = {
  33  : function() {this.selectedWidget().imagePrev()},
  34  : function() {this.selectedWidget().imageNext()},
  35  : function() {this.selectNext()},
  36  : function() {this.selectPrev()},
  106 : function() {this.sendNode()}
};

var checkKeys = function(e) {
  for (prop in groupChoices) {
    //implicit string conversion
    if (e.keyCode == prop) {
      sendNode(groupChoices[prop]);
    }
  }
  for (prop in navChoices) {
    if (e.keyCode == prop) {
      navChoices[prop]();
    }
  }
};
checkKeys(e);