/**
	Deserializes a url string, and returns an object containg the keys and values

		var url = 'website.com?name=tyler&location=canada';
		
		var obj = window.deserializeURL(url);

		// obj ==>  { name: 'tyler', location: 'canada' }
	
	@method deserializeURL
	@for window

	@param {String} url A url string
	
	@return {Object} Returns an object containing key-value pairs from the arguements in the url
**/
window.deserializeURL = function(url) {
	var query,
		vars,
		varArray = {};

	if (url.split('?').length === 1) {
		return {};
	}

	query = url.split('?')[1];
	vars = query.split('&');

	for (var i = 0; i < vars.length; i++) {
		var pair = vars[i].split('=');
		varArray[pair[0]] = pair[1];
	}

	return varArray;
};

/**
	Constructs the query string for a url from an object

		var obj = { name: 'tyler', location: 'canada' };
		
		var qs = window.serializeURL(obj);

		// qs ==>  '?name=tyler&location=canada'
	
	@method serializeURL
	@for window

	@param {Object} obj An object containing key-value pairs to be serialized
	
	@return {String} Returns the query string constructed from the object
**/
window.serializeURL = function(obj) {
	var arr = [],
		str = '?';

	for (var i in obj) {
		arr.push(i + '=' + obj[i]);
	}

	str += arr.join('&');

	return str;
};