}
  function changeDisplayById(id,value){
    var x = document.getElementById(id);
    if(x) x.style.display=value;
  }
  function toggleDetail(){
    var id = parseInt(this.getAttribute('data-id'))
    var x = document.getElementById("detail-"+id);
    if( x.style.display=="inline" ){
      x.style.display="none";
      changeDisplayById("ellipsis-"+id,"inline");
      changeDisplayById("links-"+id,"none");
    }else{
      x.style.display="inline";
      changeDisplayById("ellipsis-"+id,"none");
      changeDisplayById("links-"+id,"inline");
    }
    checkHeight();
  }
  function scrollToSelected(){
    var x = document.getElementsByClassName('timelineSelected');
    if(x[0]){
      var h = window.innerHeight;
      var y = absoluteY(x[0]) - h/2;
      if( y>0 ) window.scrollTo(0, y);
    }
  }
  var lastRow = document.getElementById("m"+tx.rowinfo[tx.rowinfo.length-1].id);
  var lastY = 0;
  function checkHeight(){
    var h = absoluteY(lastRow);
    if( h!=lastY ){
      renderGraph();
      lastY = h;
    }