Assets/Scripts/AI Scripts/AICarScript.js(45,33): BCE0019: 'position' is not a member of 'Object'.

I am using AI in 3d CarScript using the code below i don't know Why this error is occuring in unity3d 4.6.

 var xs = (path[currentPathObj]).position.x;
 var ys = transform.position.y;
 var zs = transform.position.z;
 var steerVector : Vector3 = transform.InverseTransformPoint(Vector3(xs,ys,zs));
  
 //  var steerVector : Vector3 = transform.InverseTransformPoint(Vector3(((Transform)path[currentPathObj]).position.x,transform.position.y,((Transform)path[currentPathObj]).position.z));  // Position is not a member of Object ? What can i use instead of this code? 
 //Rest of code for steer angle
 var newSteer : float = maxSteer * (steerVector.x / steerVector.magnitude);  
 wheelFL.steerAngle = newSteer;  
 wheelFR.steerAngle = newSteer;  

Need Help!