Any peace officer, either elective or appointive, of the state of Michigan, or of any political subdivision thereof, who shall suffer disability as a result of active duty in enforcing the laws of the state of Michigan, or of an adjoining state, shall, in addition to the compensation hereinafter provided be furnished reasonable medical, surgical and hospital services during the period or periods of such disability.

  (a) During the period or periods such officer, by reason of such disability, is unable to earn any income, he shall be deemed to be totally disabled and shall receive the sum of $18.00 per week: Provided, however, That in cases where such peace officer shall be inducted into service temporarily and shall be disabled as a result of such temporary service, he shall be deemed to be totally disabled for such period of time as he shall be unable to earn wages or income from his regular employment or occupation.

  (b) During the period or periods such officer, by reason of such disability, is able to earn less than his regular income, he shall be deemed to be partially disabled and shall receive as weekly compensation the difference between his average weekly wages or income before such disability starts, and the average weekly wages or income which he receives thereafter, not exceeding $18.00 per week: Provided, however, That in cases where such peace officer shall be inducted into service temporarily and shall be disabled as a result of such temporary service, he shall be deemed to be partially disabled for such period of time as he shall be unable to earn his regular wages or income from his regular employment or occupation.

   Provided, That the total compensation to any such peace officer shall not exceed the total sum of $5,000.00.