//新闻滑动门效果1
 function changeTab1(index)
        {
            for (var i=1;i<=2;i++)
            {
                document.getElementById ("mli_"+i).className ="normal1";
                document.getElementById ("mli_"+index).className ="selected1";
                
                document.getElementById ("mdiv"+i).style.display  ="none";
            }
            
            //document.getElementById ("div1").innerText= ""+index;
            document.getElementById ("mdiv"+index).style.display  ="block";
       }