// Forms usability scripts
function set_overText(selector) {
	$$(selector).each( function(el) {
															new OverText(el,{wrap:true});// positionOptions:{x:-3,y:10}
															});
}
function scrollToEl(id) {
		var el = $(id);
    el.scrollIntoView(true);
		scrollElmVert(el,-49);
    }
function scrollElmVert(el,num) { // to scroll up use a negative number
  var re=/html$/i;
  while(!re.test(el.tagName) && (1 > el.scrollTop)) el=el.parentNode;
  if(0 < el.scrollTop) el.scrollTop += num;
}