function ANP_checkInput(bid,mv)
{
    var el=document.getElementById(bid);var r=new RegExp("^\\s*(\\d+)\\s*$");
    if(r.test(el.value))
    {
        if(RegExp.$1<1||RegExp.$1>mv)
        {
            alert("页索引超出范围！");
            el.focus();
            el.select();
            return false;
        }
        return true;
    }
    alert("页索引不是有效的数值！");
    el.focus();
    el.select();
    return false;
}

function ANP_keydown(e,btnId)
{
    var kcode;
    if(window.event)
    {
        kcode=e.keyCode;
    }
    else if(e.which)
    {
        kcode=e.which;
    }
    var validKey=(kcode==8||kcode==46||kcode==37||kcode==39||(kcode>=48&&kcode<=57)||(kcode>=96&&kcode<=105));
    if(!validKey)
    {
        if(kcode==13) 
            document.getElementById(btnId).click();
        if(e.preventDefault) 
            e.preventDefault();
        else
        {
            event.returnValue=false
        };
    }
}

function ANP_goToPage(inputEl,url)
{
    var pi=inputEl.value;
    location.href=url.replace("{0}",pi);
}