Not covered for wca after major accident,and my car was written off?

On the 8/10/2007 i was on my way from work to paarl (training)for company purpose.As i was on my way through the tunnel I was involved in a major accident whereby my brand new car was rolling twice and was wriiten off by my insurance.When i went to the doctor i was told at the hospital i was not covered for WCA.Then i had to leave the hospital and went to tygerberg,because of a lack of finances.I want to know what must I do now,the company paid for nothing.Isn`t that part of injury on duty irrespective if it happened on the road. My staff members that was with me in the car was covered but not me,WHY?And the worst of all im having a severe back and neck pain!