var currPageNum = 1;

$(document).ready(function(){
   setCurrPageSettings();
 });

function setCurrPageSettings() {
   var currURL = window.location.pathname;
   if (currURL.indexOf('/about') > -1)
       currPageNum = 2;
   else if (currURL.indexOf('/projects') > -1)
       currPageNum = 3;
   else if (currURL.indexOf('/contact') > -1)
       currPageNum = 4;
       
   setNavIndicatorPos();
}

function setNavIndicatorPos() {
    $('#mainNav .links .glow').addClass('pos'+currPageNum);
    $('#mainNav .links .arrow').addClass('pos'+currPageNum);
}
function swapNavGlow(pos) {
    $('#mainNav .links .glow').removeClass('pos1 pos2 pos3 pos4');
    $('#mainNav .links .glow').addClass('pos'+pos);
}