function show2(obj)
        {
            if (obj == "1")
            {  
                 document.getElementById("hyzx").style.backgroundImage="url(images/shen2.jpg)";
                  document.getElementById("jgxx").style.backgroundImage="url(images/dan1.jpg)";
                  document.getElementById("bxalmore").innerHTML="<a href='news.aspx?newsort=2'><img src='images/1_04.jpg' width='51' height='29' border='0'></a>";
                  var res= _default.bxalband("2").value;
                  document.getElementById("bxal").innerHTML = res;
                  document.getElementById("bxalmore").style.marginTop = "0px";
            }else {
                    document.getElementById("hyzx").style.backgroundImage="url(images/dan2.jpg)";
                  document.getElementById("jgxx").style.backgroundImage="url(images/shen1.jpg)";
                   document.getElementById("bxalmore").innerHTML="<a href='news.aspx?newsort=4'><img src='images/1_04.jpg' width='51' height='29' border='0'></a>";
                    var res= _default.bxalband("4").value;
                  document.getElementById("bxal").innerHTML = res;
                  document.getElementById("bxalmore").style.marginTop = "0px";
            }
        }