var strUrl=location.href;
       var arrUrl=strUrl.split("/");
       var strPage=arrUrl[arrUrl.length-1];
       if(strPage=="index.html")
       {
       document.getElementById("nh1").className="syon";
       }
       else if(strPage=="products.html")
       {
       document.getElementById("nh2").className="syon";
       }
       else if(strPage=="case.html")
       {
       document.getElementById("nh3").className="syon";
       }
      else if(strPage=="honour.html")
       {
       document.getElementById("nh4").className="syon";
       }
     else if(strPage=="news.html")
       {
       document.getElementById("nh5").className="syon";
       }
      else if(strPage=="jc-aboutus.html")
       {
       document.getElementById("nh6").className="syon";
       }
       else if(strPage=="jc-company.html")
       {
       document.getElementById("nh7").className="syon";
       }
       else
       {
       }