jquery.formutils.js

$.fn.serializeObject = function()
{
  	var o = {};
		var a = this.serializeArray();
		var form = $(this);
		$.each(a, function() {
				var input = form.find('[name="'+this.name+'"]');
				var multiple = $(input).attr('multiple');
				if (multiple) {
					o[this.name] = o[this.name] || [];
					o[this.name].push(this.value || '');
				} else {
						o[this.name] = this.value || '';
				}
		});
		return o;
};

$.fn.populateObject = function(obj, callback)
{
		var form = $(this);
		var fields = form.find('select,input,radio,textarea');
		$.each(fields, function(){
			var t = $(this);
			switch(t.inputTypeof()) {
				case 'input' :
				case 'textarea' :
				case 'select':
					if(obj[t.attr('name')] !== undefined) {
						t.val(obj[t.attr('name')]);
					}
					break;
				case 'radio':
				case 'checkbox':
					if(obj[t.attr('name')] !== undefined) {
						t.prop('checked', true);
					}
					break;
				case 'radio':
				case 'checkbox':
					if(obj[t.attr('name')] !== undefined) {
						t.prop('checked', true);
					}
					break;
				case 'mselect':
					if(obj[t.attr('name')] !== undefined) {
						$.each(obj[t.attr('name')], function(key, val){
							console.log(val);
							$('option[value="'+val+'"]', form).attr('selected', 'selected');
						});
					}
					break;
			}
		});
		if($.isFunction(callback)) {
			callback(obj);
		}
		return this;
};


$.fn.inputTypeof = function() {
	if(this.is('select')) {
		if(this.attr('multiple')) {
			return 'mselect';
		}
		return 'select';
	} else if(this.is('textarea')) {
		return 'textarea';
	} else if(this.is('input[type=radio]')){
		return 'radio';
	} else if(this.is('input[type=checkbox]')) {
		return 'checkbox';
	} else {
		return 'input';
	}
}