// JavaScript Document

function setActive() {

  aObj = document.getElementById('mainNav').getElementsByTagName('a');

  for(i=0;i<aObj.length;i++) { 

    if(document.location.href.indexOf(aObj[i].href)>=0) {

      aObj[i].className='active';

    }

  }

  aObj = document.getElementById('mainNav').getElementsByTagName('a');

  for(i=0;i<aObj.length;i++) { 

    if(document.location.href.indexOf(aObj[i].href)>=0) {

      aObj[i].className='active';

    }

  }

}

window.onload = setActive;