function hit(span,tr)
{
	if (tr.style.display=="none"){
		tr.style.display="";
		span.innerHTML="<img src='http://www.seekstone.com/images/arrow_up.gif' align='baseline'>";
		span.title="Close Detailed Menu"
	}
	else{
		tr.style.display="none";
		span.innerHTML="<img src='http://www.seekstone.com/images/arrow_down.gif' align='baseline'>";
		span.title="Show Detailed Menu"
	}
}