//显示排名
    function showRankContent(order)
    {
        hideRankContent();
        setDefaultImg();
        switch(order)
        {
            case 0:
                document.getElementById("rank_order0").style.display = "block";
                document.getElementById("img_order0").src = "MatchImages/Match_phb_wws2.jpg";
                break;
            case 1:
               document.getElementById("rank_order1").style.display = "block";
               document.getElementById("img_order1").src = "MatchImages/Match_phb_cs2.jpg";
                break; 
            case 2:
                document.getElementById("rank_order2").style.display = "block";
                document.getElementById("img_order2").src = "MatchImages/Match_phb_bjs2.jpg";
                break;
            case 3:
                document.getElementById("rank_order3").style.display = "block";
                document.getElementById("img_order3").src = "MatchImages/Match_phb_js2.jpg";
                break;
        }
    }
    
   //设为不显示
    function hideRankContent()
    {
        document.getElementById("rank_order0").style.display = "none";
        document.getElementById("rank_order1").style.display = "none";
        document.getElementById("rank_order2").style.display = "none";
        document.getElementById("rank_order3").style.display = "none";
    }
    
    function setDefaultImg()
    {
        document.getElementById("img_order0").src = "MatchImages/Match_phb_wws.jpg";
        document.getElementById("img_order1").src = "MatchImages/Match_phb_cs.jpg";
        document.getElementById("img_order2").src = "MatchImages/Match_phb_bjs.jpg";
        document.getElementById("img_order3").src = "MatchImages/Match_phb_js.jpg";
    }