Fossil

    var html = null
    var ix = -1
    if( tooltipInfo.ixHover==-2 ){
      ix = parseInt(tooltipInfo.nodeHover.id.match(/\d+$/)[0],10)-tx.iTopRow
      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>"
      }
    }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;")
         .replace(/"/g, "&quot;")
         .replace(/'/g, "&#039;");
      html = "branch <a href=\""+dest+"\">"+hbr+"</a>"
      tooltipInfo.ixActive = ix;
    }
    if( html ){
      /* Setup while hidden, to ensure proper dimensions. */
      var s = getComputedStyle(document.body)
      if( tx.rowinfo[ix].bg.length ){
        tooltipObj.style.backgroundColor = tx.rowinfo[ix].bg
      }else{
        tooltipObj.style.backgroundColor = s.getPropertyValue('background-color')

      }
      tooltipObj.style.borderColor =
         tooltipObj.style.color = s.getPropertyValue('color')
      tooltipObj.style.visibility = "hidden"
      tooltipObj.innerHTML = html
      tooltipObj.style.display = "inline"
      tooltipObj.style.position = "absolute"
      var x = tooltipInfo.posX + 4 + window.pageXOffset
      tooltipObj.style.left = x+"px"
      var y = tooltipInfo.posY + window.pageYOffset