public void backup() {
		if(_outs != null && _outs[0] != null) {
			_backupouts = _outs[0].toString();
			for(int i=1; i<_outs.length; i++) {
				_backupouts += "," + _outs[i];
			}
		}
		
		if(_ins != null && _ins[0] != null) {
			_backupins = _ins[0].toString();
			for(int i=1; i<_ins.length; i++) {
				_backupins += "," + _ins[i];
			}
		}
	}