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function BOX_show(e,obj)//ÏÔʾ
{
    if(obj<24)
        document.cookie = "tdid="+obj;
    if(document.getElementById(e)==null)
    {
        return ;
    }
    var selects = document.getElementsByTagName('select');
    for(i = 0; i < selects.length; i++)
    {
        selects[i].style.visibility = "";
    }
    BOX_layout(e);
    window.onresize = function(){BOX_layout(e);} //¸Ä±ä´°ÌåÖØÐµ÷ÕûλÖÃ
    window.onscroll = function(){BOX_layout(e);} //¹ö¶¯´°ÌåÖØÐµ÷ÕûλÖÃ
    document.onkeyup = function(event)
    {
        var evt = window.event || event;
        var code = evt.keyCode?evt.keyCode : evt.which;
        //alert(code);
        if(code == 27)
        {
            BOX_remove(e);
        }
    }
}
function BOX_remove(e)//ÒÆ³ý
{
    window.onscroll = null;
    window.onresize = null;
    document.getElementById('BOX_overlay').style.display="none";
    document.getElementById(e).style.display="none";
    var selects = document.getElementsByTagName('select');
    for(i = 0; i < selects.length; i++)
    {
        selects[i].style.visibility = "visible";
    }
}
function BOX_layout(e)//µ÷ÕûλÖÃ
{
    var a = document.getElementById(e);
    if (document.getEleme


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