Generally employers dislike this format because they assume you have something to hide.
How is a functional resume different from a chronological resume?>
Most parts of a functional resume are similar to those in the chronological resume except for work experience and accomplishments. In a functional resume experiences are divided into general areas of skill. The experience, qualifications, and accomplishments related to each skill are listed in these separate skill sections.
To determine skill areas, think of skills that you wish to highlight and those that the employer is seeking. Under each skill category you should list four or five of your most impressive accomplishments or abilities. Depending on the position you may wish highlight anywhere from two to five skills.
Here is an example of one person who is applying for a technical-oriented position:
Programming SkillsNote: Use acronyms only if you're sure the employer will understand them.