$(document).ready(function(){
 $("#nav_konkan").click(function(){
   window.location = "Konkan_About.html";
   return false;
 })
 $("#nav_project").click(function(){
   window.location = "Project_Gold_Valley_Konkan.html";
   return false;
 })
  $("#nav_company").click(function(){
   window.location = "Company_About_us.html";
   return false;
 }) 
});