var thePath = location.pathname; // /path/file.html
var thePathArray = thePath.split("/"); // ,path, file.html
var thePageWithExtension = thePathArray[thePathArray.length-1]; // file.html
var thePageArray = thePageWithExtension.split("."); // file, html
var theSection = thePathArray[thePathArray.length-2]; // last folder in path
var thePage = thePageArray[0]; // file