imgGo = new Image(64,64)
   imgGo.src="go.png"
   imgGoOn = new Image(64,64)
   imgGoOn.src="goon.png"
   imgGoClick = new Image(64,64)
   imgGoClick.src="goclick.png"

   function goOn(gobtn)
   {
    //document.sentry.gobtn.src=imgGoOn
    document[gobtn].src=imgGoOn.src
   }

function goOff(gobtn)
{
 document[gobtn].src=imgGo.src
}

function goClick(gobtn)
{
 document[gobtn].src=imgGoClick.src
 document.location= document.sentry.pf.value+"/index.html"
}