var ShowString = "                                                                        "
               + "G T A   r a d i o                                                       " 
               + "T r o c h a   s v e t l a   d o   t m a v y c h   c h o d i e b . . .   "

var ShowWidth  = 190
var ShowHead   = 0
var ShowTail   = ShowWidth
var ShowLength = ShowString.length

function Marquee ()
   {
   var DisplayString
   if (ShowHead < ShowTail)
     DisplayString = ShowString.substring(ShowHead, ShowTail)
   else
     DisplayString = ShowString.substring(ShowHead, ShowLength)
                   + ShowString.substring(       0, ShowTail)

   ShowHead = (ShowHead + 1 ) % ShowLength
   ShowTail = (ShowTail + 1 ) % ShowLength

   window.status = DisplayString
   TimerID = setTimeout("Marquee()", 100) //Change the number to change the speed (the fewer, the faster)
   }

Marquee()