function showblock(incoming) {
  //alert(incoming);
  //var expdate = new Date ();
  //FixCookieDate (expdate);  Correct for Mac date bug - call only once for given Date object!
  //expdate.setTime (expdate.getTime() + (24 * 60 * 60 * 1000 * 365)); // 365 days from now 
  //SetCookie ("freeRanker", incoming, expdate);
  
  if (incoming == "yhhrankperc") {
  	yhhrankperc.style.display = "block";
  	yhlrankperc.style.display = "none";
  	yhhranksv.style.display = "none";
  	yhlranksv.style.display = "none";
  	yhhrank20.style.display = "none";
  	yhlrank20.style.display = "none";
  	yhhighv.style.display = "none";
  	yhhigho.style.display = "none";
  	yhhighc.style.display = "none";
  	yhlowc.style.display = "none";
  	yhhighp.style.display = "none";
  	yhlowp.style.display = "none";
  }
  
  
}