function on_load() {
    var finurl = 'http://llama.med.harvard.edu/cgi/BioTrawler';
    window.location.replace(finurl);
    //    if (document.getElementById 
    //	&& !(navigator.userAgent.indexOf("5.2")>-1)) {
	o_tkdots = document.getElementById("tkdots");
    	s_tkwait = o_tkdots.firstChild.nodeValue;
    	i_tkcount = 0;
	inc = true;
    tkanimate()
  }

  function tkanimate() {
      //alert("i_tkcount=" + i_tkcount)
      switch (i_tkcount) {
      case 0: 
	  o_tkdots.firstChild.nodeValue = s_tkwait + ""; 
	  i_tkcount++; inc=true;
	  break;	
      case 1:
	  o_tkdots.firstChild.nodeValue = s_tkwait + "*"; 
	  inc == true ? i_tkcount++ : i_tkcount--;	
	  break;
      case 2:
	  o_tkdots.firstChild.nodeValue = s_tkwait + "**";
	  inc == true ? i_tkcount++ : i_tkcount--;	
	  break;
      case 3:
	  o_tkdots.firstChild.nodeValue = s_tkwait + "***";
	  inc == true ? i_tkcount++ : i_tkcount--;
	  break;
      case 4:
	  o_tkdots.firstChild.nodeValue = s_tkwait + "****";
	  inc == true ? i_tkcount++ : i_tkcount--;
	  break;
      default: 
	  inc = false; i_tkcount--;
      }
      setTimeout("tkanimate()", 150);
  }