//回车查询edit by zmz20090325
function EnterTextBox(o) {
    if (event.keyCode == 13) {
        event.keyCode = 9;
        event.returnValue = false;
        document.all[o].click();
    }
}

function addClass(element, value) {
    if (!element.className) {
        element.className = value;
    } else {
        newClassName = element.className;
        newClassName += " ";
        newClassName += value;
        element.className = newClassName;
    }
}