function  tgetabstop(e)   
{   
    var   t=e.offsettop;     
    while(e=e.offsetparent)   
        t += e.offsettop;
    return t;   
}

function  tgetabsleft(e)   
{   
    var   t=e.offsetleft;     
    while(e=e.offsetparent)   
        t += e.offsetleft;
    return t;   
}

function tshowlayers(i,obj, uqid)
{
    var aa = document.getelementbyid("a"+uqid+i);
    var t = tgetabstop(aa);
    var l = tgetabsleft(aa);
    setfocusclass(aa, obj, uqid);
    var lay = document.getelementbyid("layer" + uqid + i);
    if(lay != null)
    {
        if(lay.style.visibility=="hidden")
            lay.style.visibility="visible"
        else if(lay.style.display=="none")
            lay.style.display="";
        var layl = l + math.max(aa.clientwidth/2 - lay.clientwidth/2, 0);
    	if(eval("isvertical" + uqid) != true && eval("showfix" + uqid) == 0)
    	{
                lay.style.top = t - lay.clientheight + 1;
                lay.style.left = layl;
        }
        else if(eval("isvertical" + uqid) != true)
        {
            lay.style.top = t + aa.clientheight;
            lay.style.left = layl;
        }
    }
}

function setfocusclass(aa, obj, uqid)
{
    aa.classname=obj;
    if(aa.classname == "b1" + uqid)
      changenavspansstyle(vsbfixgetnodes(aa.childnodes).getelementsbytagname("span"), "s10" + uqid);
    else if(aa.classname == "b2" + uqid)
      changenavspansstyle(vsbfixgetnodes(aa.childnodes).getelementsbytagname("span"), "s1" + uqid);        
    else if(aa.classname == "b3" + uqid)
      changenavspansstyle(vsbfixgetnodes(aa.childnodes).getelementsbytagname("span"), "s20" + uqid);          
    else if(aa.classname == "b4" + uqid)
      changenavspansstyle(vsbfixgetnodes(aa.childnodes).getelementsbytagname("span"), "s2" + uqid);          
}  

function tshow(i,obj, obj1,uqid)
{
    var aa = document.getelementbyid("a"+uqid+i);
    setfocusclass(aa, obj, uqid);
    var lay = document.getelementbyid("layer" + uqid + i);
    if(lay != null)
    {
        lay.style.visibility ="visible";
        if(eval("isvertical" + uqid) != true && eval("showfix" + uqid) == 0)
        {
            if(obj1.clienttop != undefined)
                lay.style.top = obj1.offsettop + obj1.clientheight - lay.clientheight;
        }
    }
}

function tshowlayer(i,obj, uqid)
{
    var aa = document.getelementbyid("a"+uqid+i);
    var bb = document.getelementbyid("a"+uqid+"1005");
    var w = document.getelementbyid("t1"+uqid).clientwidth;
    var cc = document.getelementbyid("t1"+uqid);
    var t = tgetabstop(aa);
    var l = tgetabsleft(cc);
    setfocusclass(aa, obj, uqid);
    var lay = document.getelementbyid("layer" + uqid + i);
    if(lay != null)
    {
        if(lay.style.visibility=="hidden")
            lay.style.visibility="visible"
        else if(lay.style.display=="none")
            lay.style.display="";
        var layl = l + math.max(aa.clientwidth/2 - lay.clientwidth/2, 0);
    	if(eval("isvertical" + uqid) != true && eval("showfix" + uqid) == 0)
    	{
                lay.style.top = (t - lay.clientheight + 1) + "px";
                lay.style.left = layl + "px";
        }
        else if(eval("isvertical" + uqid) != true)
        {
            lay.style.top = (t + aa.clientheight) + "px";
            lay.style.left = layl + "px";
            lay.style.width = w + "px";
        }
    }
}

function tshownull(i,obj, uqid)
{
    var aa = document.getelementbyid("a"+uqid+i);
    setfocusclass(aa, obj, uqid);
   
    var lay = document.getelementbyid("layer" + uqid + i);
    if(lay != null)
    {
        if(lay.style.visibility=="hidden")
            lay.style.visibility="visible"
        else if(lay.style.display=="none")
            lay.style.display='';
    }
}

function thidelayers(i,obj, uqid,isshowstyle)
{
    if(isshowstyle=="true")
    {
        var aa = document.getelementbyid("a"+uqid+i);
        setfocusclass(aa, obj, uqid);
    }
    
    var lay = document.getelementbyid("layer" + uqid + i);
    if(lay != null)
    {
        if(lay.style.visibility=="visible")
            lay.style.visibility="hidden"
        else if(lay.style.display=="")
            lay.style.display='none';
    }
}
//修改ff获取节点方法
function vsbfixgetnodes(childnode)
{
    
    for(var i=0;i<childnode.length;i++)
    {
        if(childnode[i].nodetype==1)
        {
            return childnode[i];
        }        
    }
    return childnode[0];
}

//文字导航script脚本
function tovt(src, clrover, uqid)
{
    changenavspansstyle(vsbfixgetnodes(src.childnodes).getelementsbytagname("span"), "s2" + uqid);    
    src.classname = clrover;
}

function changenavspansstyle(objarray, classname)
{
    for(i = 0; i < objarray.length; i ++)
    {
        objarray[i].classname = classname;
    }
}


function tout(src, clrin, uqid)
{
    changenavspansstyle(vsbfixgetnodes(src.childnodes).getelementsbytagname("span"), "s20" + uqid);          
    src.classname = clrin;
}