function editEvent() {

    var id = '<?php echo $_REQUEST['id']; ?>';
    var title = document.addevent.title.value;
    var description = document.addevent.description.value;
    var image = document.addevent.image.value;
    var dates = document.addevent.date.value;
    var time = document.addevent.tStart.value + " - " + document.addevent.tEnd.value;
    var date_post = document.addevent.date_post.value;
    var campus_list = $('input:checkbox:checked').map(function() { return this.value }).get();

    var url = "events.php?action=update&id=" + id + "&title=" + title + "&description=" + description + "&image=" + image + "&dates=" + dates + "&time=" + time + "&date_post=" + date_post + "&campus_list=" + campus_list;

    var xmlHttp = null;

    xmlHttp = new XMLHttpRequest();
    xmlHttp.open("GET", url, false );
    xmlHttp.send(null);
    alert(xmlHttp.responseText);
    //window.open("http://les.lincoln1.local/edit_campus_events.php", _parent);
    window.parent.location = "http://les.lincoln1.local/edit_campus_events.php";

}