Fossil

      var h = tx.rowinfo[ix].h
      var dest = tx.baseUrl + "/info/" + h
      if( tx.fileDiff ){
        html = "artifact <a href=\""+dest+"\">"+h+"</a>"
      }else{
        html = "check-in <a href=\""+dest+"\">"+h+"</a>"
      }
      tooltipInfo.ixActive = -2;
    }else if( tooltipInfo.ixHover>=0 ){
      ix = tooltipInfo.ixHover
      var br = tx.rowinfo[ix].br
      var dest = branchHyperlink(ix)
      var hbr = br.replace(/&/g, "&amp;")
         .replace(/</g, "&lt;")
         .replace(/>/g, "&gt;")

      tooltipObj.style.visibility = "visible"
    }else{
      hideGraphTooltip()
    }
  }
  function dblclickOnGraph(e){
    var ix = findTxIndex(e);

    hideGraphTooltip()
    if( ix>=0 ){
      var dest = branchHyperlink(ix)
      window.location.href = dest
    }
  }
  function changeDisplay(selector,value){
    var x = document.getElementsByClassName(selector);
    var n = x.length;
    for(var i=0; i<n; i++) {x[i].style.display = value;}
  }
  function changeDisplayById(id,value){