Using the Accelerometer with PhoneGap

var latest = null;
 
function doDeviceReady()
{
  var options = {
    frequency: FREQUENCY_ACCEL
  };	
 
  watchID = navigator.accelerometer.watchAcceleration( 
    doAcceleration,
    doError, 
    options 
  );		
}
 
function doAcceleration( acceleration )
{
  latest = {
    x: acceleration.x,
    y: acceleration.y
  };
}
 
function doError()
{		
  alert( 'Acceleration Error' );	
}