jquery.serializeObject.js

$.fn.serializeObject = function(){
	var o = {};
	var a = this.serializeArray();
	$.each(a, function() {
		if (o[this.name] !== undefined) {
			if (!o[this.name].push) {
				o[this.name] = [o[this.name]];
			}
			o[this.name].push(this.value || '');
		} else {
			o[this.name] = this.value || '';
		}
	});
	return o;
};

// example
var myFormData = $('#myForm').serializeObject();