// out put HTML code
var local_nav = '';

local_nav += '<ul>';
local_nav += '<li><a href="'+path+'index.html">HOME</a></li>';
local_nav += '<li><a href="'+path+'portfolio.html">Portfolio</a></li>';
local_nav += '<li><a href="'+path+'contact.html">Contact us</a></li>';
local_nav += '</ul>';

document.write(local_nav);