function open_sub(type,id){
  l=type+1;


  var sub=document.getElementById('sub'+type+'_'+id);
  if(sub!=null){
    if(sub.style.display=='none'||sub.style.display==''){
      for (var i=1;i<10;i++){
        var ssub=document.getElementById('sub'+type+'_'+i);
        if(ssub!=null)ssub.style.display='block';
      }
    } else {
      for (var y=3;y>=type;y--){
        for (var i=1;i<10;i++){
          var ssub=document.getElementById('sub'+y+'_'+i);
          if(ssub!=null)ssub.style.display='none';
        }
      }
      /*
      for (var i=1;i<10;i++){
        var ssub=document.getElementById('sub'+l+'_'+i);
        ssub.style.display='block';
      }
      */
    }
  }



/*


  for (var y=l;y>=type;y--){
    for (var i=1;i<10;i++){
      var sub=document.getElementById('sub'+y+'_'+i);
      if(sub!=null){
        if(sub.style.display=='none'||sub.style.display==''){
          sub.style.display='block';
        } else {
          sub.style.display='none';
        }
      }
    }
  }

*/
}