function clickLink(linkId) {
    var fireOnThis = document.getElementById(linkId)
    if (document.createEvent) {
        var evObj = document.createEvent('MouseEvents')
        evObj.initEvent( 'click', true, false )
        fireOnThis.dispatchEvent(evObj)
    } 
    else if (document.createEventObject) {
        fireOnThis.fireEvent('onclick')
    }
}

var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(e, b) {
    var keyCode = (isNN) ? e.which : e.keyCode;
    if(keyCode==13) {
        button = document.getElementById(b);
        if (button!=null){
            button.click();
        }
    }
    return true;
}