URBAN LEGISLATION AND ITS IMPACT ON AN ENVIRONMENT OF CONTEMPORARY ARCHITECTURE IN SAUDI ARABIA - STUDY OF BUILDING REGULATIONS IN THE CITY OF JEDDAH AS AN EXAMPLE - Ammar S. Dahlan 1 and Ahmed Helal Mohamed 2 (Received August 31, 2009 Accepted November 8, 2009). This research aims to study the legislation Urban, And its impacts …