toQueryString.js

YUI('lang', function (Y) {
	YAP.toQueryString = function (obj, name) {
		if (Y.Lang.isNull(obj) || Y.Lang.isUndefined(obj)) {
			return name ? encodeURIComponent(name) + '=' : '';
		}
		if (Y.Lang.isBoolean(obj)) obj = obj ? 1 : 0;
		if (Y.Lang.isNumber(obj) || Y.Lang.isString(obj)) {
			return encodeURIComponent(name) + '=' + encodeURIComponent(obj);
		}
		if (Y.Lang.isArray(obj)) {
			var s = [];
			name = name+'[]';
			for (var i = 0, l = obj.length; i < l; i ++) {
				s.push( arguments.callee(obj[i], name) );
			}
			return s.join('&');
		}
		// now we know it's an object.
		var s = [];
		var begin = name ? name + '[' : '';
		var end = name ? ']' : '';
		for (
			var i in obj
		) if (
			obj.hasOwnProperty(i) && p.substr(p.length - 3, 3) !== '___'
		) s.push(arguments.callee(obj[i], begin + i + end));
	
		return s.join("&");
	};
});