op_register("aboutusB","../../imgs/layout/aboutusN.jpg","../../imgs/layout/aboutusO.jpg");
   op_register("productsB","../../imgs/layout/productsN.jpg","../../imgs/layout/productsO.jpg");
   op_register("capabilitiesB","../../imgs/layout/capabilitiesN.jpg","../../imgs/layout/capabilitiesO.jpg");
   op_register("contactsB","../../imgs/layout/contactsN.jpg","../../imgs/layout/contactsO.jpg");
   op_register("aveotrafficomB","../../imgs/layout/aveotrafficomN.jpg","../../imgs/layout/aveotrafficomO.jpg");
   op_register("aveoGLTB","../../imgs/layout/aveoGLTN.jpg","../../imgs/layout/aveoGLTO.jpg");
   op_register("aveofreespeechB","../../imgs/layout/aveofreespeechN.jpg","../../imgs/layout/aveofreespeechO.jpg");
   op_register("aveonavigatorB","../../imgs/layout/aveonavigatorN.jpg","../../imgs/layout/aveonavigatorO.jpg");
   op_register("aveofuelmiserB","../../imgs/layout/aveofuelmiserN.jpg","../../imgs/layout/aveofuelmiserO.jpg");
   op_register("aveoengineerB","../../imgs/layout/aveoengineerN.jpg","../../imgs/layout/aveoengineerO.jpg");
   op_register("aveopilotB","../../imgs/layout/aveopilotN.jpg","../../imgs/layout/aveopilotO.jpg");
   op_register("aveoskywayB","../../imgs/layout/aveoskywayN.jpg","../../imgs/layout/aveoskywayO.jpg");