System.err.println("setting selected chain.."+chain.getChain().getName());
	private void setSelectedChain(ChainView chain) {		System.err.println("setting selected chain.."+chain.getChain().getName());		if (chain != null && chain.getChain() != null) {			((ChainPaletteCanvas) canvas).setDraggingChain(chain.getChain());;		}			}