function itopfx() {
var namelem = $('intop');
var scrollxy = getScrollXY();
var curpos = Position.cumulativeOffset(namelem); //165 + 40 = 210 ???
var curtop = parseInt(namelem.getStyle('top'));
var startop = (210-namelem.offsetHeight);
 if(curtop==0) {
  namelem.setStyle({
  top:(startop + 'px')
  });
 } else if((scrollxy[1]+11) > curpos[1]) {
  settop = (curtop+210);
  namelem.setStyle({
  top:(settop + 'px')
  });
 } else if ((curpos[1]-scrollxy[1])>210&&curtop!=startop) {
  settop = (curtop-210);
  namelem.setStyle({
  top:(settop + 'px')
  });
 }
}