nereidFadeObjects = new Object();
nereidFadeTimers = new Object();
function nereidFade(object, destOp, rate, delta)
{
    if (!document.all)
    return;
    if (object != "[object]")
    { 
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp)
    {
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;
    if (object.filters.alpha.opacity != destOp)
    {
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}
function isNumberKey(evt)
{
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode!=46)
        return false;
    return true;
}
function logincheckform() 
{
    if(document.getElementById("tbxUserName").value=='')
    {
        alert('请输入管理账号！');
        document.getElementById("tbxUserName").focus();
        return false;
    }
    if(document.getElementById("tbxPassWord").value=='')
    {
        alert('请输入密码！');
        document.getElementById("tbxPassWord").focus();
        return false;
    }
    if(document.getElementById("tbxVerifyCode").value=='')
    {
        alert ('请输入验证码！');
        document.getElementById("tbxVerifyCode").focus();
        return false;
    }
}

function killerrors() 
{
    return true;
}
window.onerror = killerrors;