$(document).ready(function() {
 
   $(".subnav-offshore").hover(function() {
     $(".subnav-offshore").addClass("subnav-hover");
   },function(){
     $(".subnav-offshore").removeClass("subnav-hover");
   });
   
   $(".subnav-methodology").hover(function() {
     $(".subnav-methodology").addClass("subnav-hover");
   },function(){
     $(".subnav-methodology").removeClass("subnav-hover");
   });
   
   $(".subnav-expertise").hover(function() {
     $(".subnav-expertise").addClass("subnav-hover");
   },function(){
     $(".subnav-expertise").removeClass("subnav-hover");
   });

 });