Function for extracting url query string variables from the `window.location`

js-func-url-vars.js

/**
 * Returns a literal object with properties mapped to the query string variables
 * For example:
 * 		input (page url): http://www.test.com/index?one=1&two=2
 *		value: { 'one': 1, 'two': 2 }
 */
function urlVars() {
	var search = window.location.search;

	if(search === '' || !search || search === '?') {
		return null;
	}
	else {
		var parts = search.substr(1, search.length - 1).split('&'), 
			props = {};

		for(var i = 0; i < parts.length; i++) {
			var nameVal = parts[i].split('=');
			props[nameVal[0]] = nameVal[1];
		} 

		return props;
	}
};