var delay = 50;
        var bdelay = 1000;
        var stack_pointer = 0;
        var line_pointer = 0;
        var edelay = 0;
        var field = document.getElementById('txt_typer');
        function ftype()
         {
          if(stack_pointer < (lines[line_pointer].length+1))
           {
            edelay = delay;
            txt = lines[line_pointer].substr(0,stack_pointer);
            field.value = txt;
            stack_pointer++;
           }
          else
           {
            line_pointer++;
            if(line_pointer >= lines.length)
             {
              line_pointer = 0;
             }
            edelay = bdelay;
            stack_pointer = 0;
           }
          setTimeout("ftype()",edelay);
         }
        ftype();