Fossil

    for( var i=0; i<tx.nrail; i++) mergeBtm[i] = btm;
    for( var i=tx.rowinfo.length-1; i>=0; i-- ){
      drawNode(tx.rowinfo[i], btm);
    }
  }
  var selRow;
  function clickOnNode(e){
    tooltipObj.style.display = "none"
    var p = tx.rowinfo[parseInt(this.id.match(/\d+$/)[0], 10)-tx.iTopRow];
    if( !selRow ){
      selRow = p;
      this.className += " sel";
      canvasDiv.className += " sel";
    }else if( selRow==p ){
      selRow = null;

    return -1
  }
  function clickOnGraph(e){
    var ix = findTxIndex(e);
    if( ix<0 ){
      tooltipObj.style.display = "none"
    }else{  
      tooltipObj.textContent = tx.rowinfo[ix].br
      var br = tx.rowinfo[ix].br
      var dest = tx.baseUrl + "/timeline?r=" + encodeURIComponent(br)
      dest += "&c=" + encodeURIComponent(tx.rowinfo[ix].h)
      var hbr = br.replace(/&/g, "&amp;")
         .replace(/</g, "&lt;")
         .replace(/>/g, "&gt;")
         .replace(/"/g, "&quot;")
         .replace(/'/g, "&#039;");
      tooltipObj.innerHTML = "<a href=\""+dest+"\">"+hbr+"</a>"
      tooltipObj.style.display = "inline"
      tooltipObj.style.position = "absolute"
      var x = e.x + 4 + window.pageXOffset
      tooltipObj.style.left = x+"px"
      var y = e.y + window.pageYOffset - tooltipObj.clientHeight - 4
      tooltipObj.style.top = y+"px"
      tooltipObj.style.visibility = "visible"