//作者成大锋
//2004年7月

function rest_img(obj, MaxW, MaxH)
{
    if (obj != null) imageObject = obj;
    var state=imageObject.readyState;
    var oldImage = new Image();
    oldImage.src = imageObject.src;
    var dW=oldImage.width; var dH=oldImage.height;
    if(dW>MaxW || dH>MaxH) {
        a=dW/MaxW; b=dH/MaxH;
        if(b>a) a=b;
        dW=dW/a; dH=dH/a;
    }
    if(dW > 0 && dH > 0)
        imageObject.width=dW;imageObject.height=dH;
    if(state!='complete' || imageObject.width>MaxW || imageObject.height>MaxH) {
        setTimeout("rest_img(null,"+MaxW+","+MaxH+")",40); 
    }
}

function openFL(obj)
{
    if(obj.options[obj.selectedIndex].value!=0)
    {
        window.open(obj.options[obj.selectedIndex].value,"_blank");
    }
}

function pkExpand(senderA)
{
    var arr_pkul=senderA.parentNode.parentNode.getElementsByTagName("ul");
    var curr_pklist=arr_pkul.length!=0?arr_pkul[0]:null;
    var pkcont=document.getElementById("pkcont");
    var arr_pkitem=pkcont.getElementsByTagName("div");
    for(var i=0;i<arr_pkitem.length;i++)
    {
        var p_curr_pklist=arr_pkitem[i].getElementsByTagName("ul").length!=0?arr_pkitem[i].getElementsByTagName("ul")[0]:null;
        if(p_curr_pklist!=null&&p_curr_pklist!=curr_pklist)
        {
            p_curr_pklist.style.display="none";
        }
    }
    if(curr_pklist.style.display=="block"){ curr_pklist.style.display="none"; }
    else if(curr_pklist.style.display=="none"){ curr_pklist.style.display="block"; }
}