// 导航跳转
function cutover(cutstyle,cutover,cutturn,id,sum) {
   for(i=1;i<=sum;i++) {
      var obj = document.getElementById(cutover+'_'+i);
      var str = document.getElementById(cutstyle+'_'+i);
      var turn = document.getElementById(cutturn+'_'+i);
      if(id == i) {
         obj.style.display = 'block';
         str.className = 'class_mul_first_title fl';
         turn.style.display = 'block';
      }else{
         obj.style.display = 'none';
         str.className = 'class_mul_tab fl';
         turn.style.display = 'none';
      }
   }	
}// 导航跳转
function cutovers(cutstyle,cutover,cutturn,id,sum) {
   for(i=1;i<=sum;i++) {
      var obj = document.getElementById(cutover+'_'+i);
      var str = document.getElementById(cutstyle+'_'+i);
      var turn = document.getElementById(cutturn+'_'+i);
      if(id == i) {
         obj.style.display = 'block';
         str.className = 'class_mul_first_title fl';
		 document.getElementById("cutover_2_9").style.display="none";
		 document.getElementById("cutturn_1_9").style.display="none";
         turn.style.display = 'block';
      }else{
         obj.style.display = 'none';
         str.className = 'class_mul_tab fl';
         turn.style.display = 'none';
		 document.getElementById("cutover_2_9").style.display="none";
		 document.getElementById("cutturn_1_9").style.display="none";
      }
   }	
}
function about_senhai(cutstyle,cutover,id,sum) {
   for(i=1;i<=sum;i++) {
      var obj = document.getElementById(cutover+'_'+i);
      var str = document.getElementById(cutstyle+'_'+i);
      //var turn = document.getElementById(cutturn+'_'+i);
      if(id == i) {
         obj.style.display = 'block';
         str.className = 'class_mul_first_title fl';
         //turn.style.display = 'block';
      }else{
         obj.style.display = 'none';
         str.className = 'class_mul_tab fl';
         //turn.style.display = 'none';
      }
   }	
}

function dj(i)
{ 
  for(j=1;j<5;j++)
    {
  if(i==j){
   document.getElementById("a"+j).className="li2";
   document.getElementById("b"+j).style.display="";
          }
   else
    {
   document.getElementById("a"+j).className="li1";
   document.getElementById("b"+j).style.display="none";
      }
     }
  
}