init_weapon_upgrade()
              {
	         weapon_spawns = [];
	         weapon_spawns = GetEntArray( "weapon_upgrade", "targetname" ); 

	        for( i = 0; i < weapon_spawns.size; i++ )
	              {
		            hint_string = get_weapon_hint( weapon_spawns[i].weapon_upgrade ); 

		            weapon_spawns[i] SetHintString( hint_string ); 
		            weapon_spawns[i] setCursorHint( "HINT_NOICON" ); 
		            weapon_spawns[i] UseTriggerRequireLookAt();

		            weapon_spawns[i] thread weapon_spawn_think(); 
		           model = getent( weapon_spawns[i].target, "targetname" ); 
		           model hide(); 
	               }
               }