function vklvykl(currMenu) 
 {
 if (document.getElementById)
  {
  thisMenu=document.getElementById(currMenu).style
  if(thisMenu.display=="block")
   {
   thisMenu.display="none"
   }
  else
   {
   thisMenu.display="block"
   }
  return false
  }
 else
  {
  return true
  }  
 }
String.prototype.printAddr=function (_hamper,_prefix,_postfix,_face)
 {
  _hamper=
  _prefix+
  "@"+
  this+
  (_postfix || '')
  document.write((_face||_hamper).link("mailto:"+_hamper));
 }