if (frames[i] instanceof AlignFrame)
target = ( (AlignFrame) frames[i]).getCurrentView();
else if (frames[i] instanceof TreePanel)
target = ( (TreePanel) frames[i]).getViewPort();
else if (frames[i] instanceof PCAPanel)
target = ( (PCAPanel) frames[i]).av;
if (frames[i] instanceof AlignFrame)
target = ( (AlignFrame) frames[i]).getCurrentView();
else if (frames[i] instanceof TreePanel)
target = ( (TreePanel) frames[i]).getViewPort();
else if (frames[i] instanceof PCAPanel)
target = ( (PCAPanel) frames[i]).av;