// JScript 文件

function show(num)
        {
            var tab1=document.getElementById("newlist");
            var tab2=document.getElementById("weeklist");
            var tab3=document.getElementById("monthlist");
            var tab4=document.getElementById("alllist");
            
            var tab_class_1=document.getElementById("top_new");
            var tab_class_2=document.getElementById("top_week");
            var tab_class_3=document.getElementById("top_month");
            var tab_class_4=document.getElementById("top_all");
            
            if(num==1){
                tab1.style.display="block";
                tab2.style.display="none";
                tab3.style.display="none";
                tab4.style.display="none"
                tab_class_1.className="top_current";
                tab_class_2.className="top_week";
                tab_class_3.className="top_month";
                tab_class_4.className="top_all";
            }
            if(num==2){
                tab1.style.display="none";
                tab2.style.display="block";
                tab3.style.display="none";
                tab4.style.display="none"
                tab_class_1.className="top_new";
                tab_class_2.className="top_current";
                tab_class_3.className="top_month";
                tab_class_4.className="top_all";
                
            }
            if(num==3){
                tab1.style.display="none";
                tab2.style.display="none";
                tab3.style.display="block";
                tab4.style.display="none";
                tab_class_1.className="top_new";
                tab_class_2.className="top_week";
                tab_class_3.className="top_current";
                tab_class_4.className="top_all";
            }
              if(num==4){
                tab1.style.display="none";
                tab2.style.display="none";
                tab3.style.display="none";
                tab4.style.display="block";
                tab_class_1.className="top_new";
                tab_class_2.className="top_week";
                tab_class_3.className="top_all";
                tab_class_4.className="top_current";
            }
         }