private void addc(boolean left, String c)
	{
		int l = value.length();
		int n = fsize-l;
		if(n>0)
			{
			String s = new String(new char[n]).replace("\0", c);
			value = (left ? s+value : value+s);
			}
		else if(n<0) value=value.substring(-n);
	}