// 十字背景
//滑动门效果
 function qiehuan_zjhy(num){
  for(var id = 0;id<=6;id++)
  {
   if(id==num )
   {
    document.getElementById("qh_con_zjhy"+id).style.display="block";
    document.getElementById("mynav_zjhy"+id).className="channelnavhref1";
   }
   else
   {
    document.getElementById("qh_con_zjhy"+id).style.display="none";
    document.getElementById("mynav_zjhy"+id).className="channelnavhref";
   }
  }
 }

 function qiehuan_khfw(num){
  for(var id = 0;id<=2;id++)
  {
   if(id==num )
   {
    document.getElementById("qh_con_khfw"+id).style.display="block";
    document.getElementById("mynav_khfw"+id).className="channelnavhrefb";
   }
   else
   {
    document.getElementById("qh_con_khfw"+id).style.display="none";
    document.getElementById("mynav_khfw"+id).className="channelnavhrefa";
   }
  }
 }

function qiehuan_Class(num){
  for(var id = 0;id<=6;id++)
  {
   if(id==num )
   {
    document.getElementById("mynav_zjhy"+id).className="channelnavhref1";
   }
   else
   {
    document.getElementById("mynav_zjhy"+id).className="channelnavhref";
   }
  }
 }
 
  function qiehuan_khfw2(num){
  for(var id = 0;id<=2;id++)
  {
   if(id==num )
   {
    document.getElementById("mynav_khfw"+id).className="channelnavhrefb";
   }
   else
   {
    document.getElementById("mynav_khfw"+id).className="channelnavhrefa";
   }
  }
 }