var date = "2013-05-12 20:00:00",

    values = date.split(/[^0-9]/),

    year = parseInt(values[0], 10),

    month = parseInt(values[1], 10) - 1,

    day = parseInt(values[2], 10),

    hours = parseInt(values[3], 10),

    minutes = parseInt(values[4], 10),

    seconds = parseInt(values[5], 10),

    formattedDate;

​

formattedDate = new Date(year, month, day, hours, minutes, seconds);

​

console.log(formattedDate.toString());

​