function disableEnterKey(e) {
    var key = (window.event) ? event.keyCode : e.keyCode;
    var state = (key == 13) ? false : true;

    return state;
}

function KeyCheck(e) {
    var KeyID = (window.event) ? event.keyCode : e.keyCode;

    switch (KeyID) {
        case 13:
            __doPostBack('_ctl0$search$SearchButton', '');

            return false;
            break;
    }
}