// JScript 文件
//导航菜单开始
function showtype()
{ 
 var divtype = document.getElementById('divtype');
 divtype.style.display="block"; 
} 
function hiddentype()
{ 
 var divtype = document.getElementById('divtype');
 divtype.style.display = "none";  
}
function showleftxl(dlid)
{ 
 var whichleftxl = document.getElementById("leftxl"+dlid);
 whichleftxl.style.display="block"; 
} 
function hiddenleftxl(dlid)
{ 
 var whichleftxl = document.getElementById("leftxl"+dlid);
 whichleftxl.style.display = "none";
}
//导航菜单结束
function show_product_div(divid)
{
    if (divid == divdsc)
    {
        document.getElementById("dsc").style.background="url(../images/product/p_open.jpg)";
        document.getElementById("photo").style.background="url(../images/product/p_close.jpg)";
        eval("divdsc.style.display=\"\";");
        eval("divphoto.style.display=\"none\";");
    }
    else if(divid == divphoto)
    {
        document.getElementById("dsc").style.background="url(../images/product/p_close.jpg)";
        document.getElementById("photo").style.background="url(../images/product/p_open.jpg)";
        eval("divdsc.style.display=\"none\";");
        eval("divphoto.style.display=\"\";");
    }
}
function selectall()
{
    var divselect=document.getElementById('gvall');
    var cbx=divselect.getElementsByTagName('input');
    for(var i=0;i<cbx.length;i++)
    {
        if(!cbx[i].checked)
        {
            cbx[i].checked = true;                
        }
        else
        {
            cbx[i].checked = false;
        }
    }
}
function showctrl(tbid)
{
    whichtb=eval("tb"+tbid);
    if(whichtb.style.display=="none")
    {eval("tb"+tbid+".style.display=\"\";");}
    else
    {eval("tb"+tbid+".style.display=\"none\";");}
}
function showimg(pid)
{ 
 var whichleftxl = document.getElementById("img"+pid);
 whichleftxl.style.display="block";
 document.getElementById("ico"+pid).style.background="url(../images/product/ico_behind2.gif)";
}
function hiddenimg(pid)
{ 
 var whichleftxl = document.getElementById("img"+pid);
 whichleftxl.style.display = "none";
 document.getElementById("ico"+pid).style.background="url(../images/product/ico_behind1.gif)";
}

//鼠标移上显示大图开始
function openimg(scr,imgid,divid)
{
    document.getElementById(imgid).src=scr.src; 
    if (imgid=='newimg')
    {           
        document.getElementById("divnew").style.display="block";
    }
    else if (imgid=='recommendimg')
    {
        document.getElementById("divrecommend").style.display="block";
    }
    else if (imgid=='moveimg')
    {
        document.getElementById("divmove").style.display="block";
    }
    var mX=scr.offsetTop; 
    var mY=scr.offsetLeft;  
    var mY1=scr.offsetWidth;
    var x=document.body.offsetWidth;
    var y=document.body.offsetHeight;
    var gx=document.body.scrollTop;
    while(scr=scr.offsetParent)
    {  
        mX+=scr.offsetTop;  
        mY+=scr.offsetLeft;  
    }  
     var xx=x-mY-mY1;
     var yy=y-mX+gx;
    if(xx<document.getElementById(divid).clientWidth)
    {
        var mY2=mY-document.getElementById(divid).clientWidth;
        document.getElementById(divid).style.left=mY2;
    }
    else
    {
        document.getElementById(divid).style.left=mY+mY1;
    }
    if(yy<document.getElementById(divid).clientHeight)
    {
        var mX2=mX-document.getElementById(divid).clientHeight;
        document.getElementById(divid).style.top=mX2;
    }
    else
    {
        document.getElementById(divid).style.top=mX+30;
    }
}
function closeimg(divid)
{
    document.getElementById(divid).style.display="none";
}
//鼠标移上显示大图结束