static var cross = 0;
var target : Transform;
function Update () {
        var direction = transform.TransformDirection(Vector3.forward);
     var hit : RaycastHit;     
if (Physics.Raycast (transform.position, direction, hit)) {
      if (hit.transform == target)
        cross = 1;
        else
        cross = 0; }
       }

var crosshairWait : Texture2D;
var crosshairRed : Texture2D;

function Update () {
      if (CamOtd.cross ==1)
     guiTexture.texture = crosshairRed;
   else    
     guiTexture.texture = crosshairWait;   
      
}