<script language="JavaScript1.2">  

  var message="ЗДЕСЬ ПИШЕМ СВОЙ ТЕКСТ" //specifys the title  
  var message=message+" " //gives a pause at the end,1 space=1 speed unit, here I used 10 spaces@150 each = 1.5seconds.  
  i="0" //declares the variable and sets it to start at 0  
  var temptitle="" //declares the variable and sets it to have no value yet.  
  var speed="150" //the delay in milliseconds between letters  

  function titler(){  
  if (!document.all&&!document.getElementById)  
  return  
  document.title=temptitle+message.charAt(i) //sets the initial title  
  temptitle=temptitle+message.charAt(i) //increases the title by one letter  
  i++ //increments the counter  
  if(i==message.length) //determines the end of the message  
  {  
  i="0" //resets the counter at the end of the message  
  temptitle="" //resets the title to a blank value  
  }  
  setTimeout("titler()",speed) //Restarts. Remove line for no-repeat.  
  }  

  window.onload=titler  
  </script>