function nbg(id)
{
    if(id=="")
    {
        document.getElementById('b').style.color="#ffffff";
        document.getElementById('ab').style.background="url('img/navbai.jpg')";
    }
    else
    {
        document.getElementById(""+id+"").style.color="#ffffff";
        document.getElementById("a"+id+"").style.background="url('img/navbai.jpg')";
    }
}
function obg(id)
{
    document.getElementById(""+id+"").style.color="";
    
    document.getElementById("a"+id+"").style.background="";
}
function huadong(id)
{
    document.getElementById(""+id+"").style.display="block";
    if(id=="comone")
    {
        document.getElementById("comtwo").style.display="none";
    }
    if(id=="comtwo")
    {
        document.getElementById("comone").style.display="none";
    }
}
function gouwu(gouwu)   
{   
	WebShop.gouwu(gouwu);
}