function shd(o){ 
     o.className="shd_dq"; 
     var j; 
     var id; 
     var e; 
     for(var i=1;i<=6;i++){ //数字6为滑动门数量 
       id ="shd"+i; 
       j = document.getElementById(id); 
       e = document.getElementById("shd_sub"+i); 
       if(id != o.id){ 
         j.className="shd_mr"; 
         e.style.display = "none"; 
       }else{ 
            e.style.display = "block"; 
       } 
     } 
}
function news(o){ 
     o.className="news_dq"; 
     var j; 
     var id; 
     var e; 
     for(var i=1;i<=2;i++){ //数字2为滑动门数量 
       id ="news"+i; 
       j = document.getElementById(id); 
       e = document.getElementById("news_sub"+i); 
       if(id != o.id){ 
         j.className="news_mr"; 
         e.style.display = "none"; 
       }else{ 
            e.style.display = "block"; 
       } 
     } 
}