function Find() {
    var keyword = jQuery.trim($("#Keyword").val());
    if (keyword == "") window.location = "/Courses";
    else window.location = "/Courses/Find/" + keyword.replace(/ /g, "-");
    return false;
}

$("#Keyword").keypress(function(e) {
    CheckEnter(e);
});

function CheckEnter(e) {
    var charCode;

    if (e && e.which) {
        charCode = e.which;
    } else if (window.event) {
        e = window.event;
        charCode = e.keyCode;
    }

    if (charCode == 13) {
        Find();
    }
}