private String getDateHeader() {
		String dateHeader = "";

		int start = current_pos;
		int end = 0;
		for (; !(filecontent_b[current_pos] == 13 && filecontent_b[current_pos + 2] == 13); current_pos++)
			;
		end = current_pos - 1;
		current_pos += 4;

		dateHeader = new String(filecontent_b, start, (end - start) + 1);
		return dateHeader;
	}