function allowNumericOnly(e) {
    if (e.keyCode == 9 ||e.keyCode == 8 || e.keyCode == 37 || e.keyCode == 39 || e.keyCode == 46 || (e.keyCode >= 48 && e.keyCode <= 57) || (e.keyCode >= 96 && e.keyCode <= 105))
        return true;
    return false;
}