The U.S. Department of Transportation has published regulation No.14 CFR Part 382: "Non discrimination on the basis of Disability in Air Travel", which will become effective as of May 13, 2009.
The regulation applies on EL AL only with regard to flights that begin or end at a U.S. airport.

For information on USA regulations regarding nondiscrimination on the basis of disability in air travel 
Attached 2  files

For calls made from within the United States, by telephone via the Toll-Free Hotline for Air Travelers with Disabilities at 1-800-778-4838 (Voice) or 1-800-455-9880 (TTY)

By Telephone to the Aviation Consumer Protection Division
at 202-366-2220 (Voice) or 202-366-0511 (TTY)

By mail to the Air Consumer Protection Division, C-75, U.S. Department of Transportation, 1200 New Jersey Ave., SE., West Building, Room W96-432, Washington, DC 20590

On the Aviation Consumer Protection Division’s Web site airconsumer.ost.dot.gov