js helpers

js-helper.js

Rkm = window['Rkm'] || {};

Rkm.get_param = function(name) {
    var match = RegExp('[?&]' + name + '=([^&]*)').exec(window.location.search);
    return match ? decodeURIComponent(match[1].replace(/\+/g, ' ')) : null;
}

Rkm.parse_str = function(s) {
	var rv = {}, decode = window.decodeURIComponent || window.unescape;
	(s == null ? location.search : s).replace(/^[?#]/, "").replace(/([^=&]*?)((?:\[\])?)(?:=([^&]*))?(?=&|$)/g, function ($, n, arr, v) {
		if (n == "") return;
		n = decode(n);
		v = decode(v);
		if (arr) {
			(typeof rv[n] == "object") ? rv[n].push(v) : rv[n] = [v];
		} else {
			rv[n] = v;
		}
	});
	return rv;
}

Rkm.build_url = function(new_params, keep_old_params, url) {
	new_params = new_params || {};
	if(!jQuery.isPlainObject(new_params)) new_params = Rkm.parse_str(new_params);
	keep_old_params = keep_old_params === false ? false : true;
	url = url || window.location+'';
	params = {};
	hash = '';

	if(url.indexOf('?') != -1) {
		url = url.split('?');
		if(url[1].indexOf('#') != -1) {
			new_url = url[1].split('#');
			url[1] = new_url[0];
			hash = '#' + new_url[1];
		}
		params = Rkm.parse_str(url[1]);
		url = url[0];
	}

	return url + '?' + jQuery.param(jQuery.extend(params, new_params)) + hash;
}