function createPostData(fields)
{
	var data_multi = {};
	var data = {};

	fields.each(function(){
		if (/\[\]$/.test(this.name))
		{
			if (typeof(data_multi[this.name]) == 'undefined')
			{
				data_multi[this.name] = new Array();
			}

			if (this.checked)
			{
				data_multi[this.name].push($0(this).val());
				data[this.name] = data_multi[this.name];
			}
		}
		else
		{
			data[this.name] = $0(this).val();
		}
	});
	return data;
}