// JScript 文件
function displayNav(n,j,c)
{
    for(i=1;i<c;i++)
    {
        if(n==i)
        {
            document.getElementById("t"+j+i).className = "active";
            document.getElementById("l"+j+i).style.display = "";
        }
        else
        {
            document.getElementById("t"+j+i).className = "";
            document.getElementById("l"+j+i).style.display = "none";
        }
    }
}