// 一级标题与二级标题的交互显示
function titleover(id)
{    
    td=document.getElementById(id);
    td.style.background="url(images/bg/2.jpg)";
    
    if(id=="t1")
    {
        td.style.background="url(images/bg/1.jpg)";
    }
    if(id=="t6")
    {
        td.style.background="url(images/bg/3.jpg)";
    }
    
    document.getElementById("t1_c").style.display="none";
    document.getElementById("t2_c").style.display="none";
    document.getElementById("t3_c").style.display="none";
    document.getElementById("t4_c").style.display="none";
    document.getElementById("t5_c").style.display="none";
    
    if(document.getElementById(id+"_c")!=null)
    {
        document.getElementById(id+"_c").style.display="block";
    }
    else
    {
        document.getElementById("t1_c").style.display="block";
    }
    
    
}
function titleout(id)
{    
    td=document.getElementById(id);
    td.style.background="";
}



// 各种排行之间的效果切换
function ranktitleover(id)
{        
    
    
    document.getElementById("rankt1").className="ranktitleout";
    document.getElementById("rankt2").className="ranktitleout";
    document.getElementById("rankt3").className="ranktitleout"; 
    document.getElementById(id).className="ranktitleon";
    
    
    
    
    document.getElementById("rankt1_c").style.display="none";
    document.getElementById("rankt2_c").style.display="none";
    document.getElementById("rankt3_c").style.display="none";
    document.getElementById(id+"_c").style.display="block";
}