function printPage () {

	if (window.print) {
		window.print();
	} else {
		if (agt.indexOf("mac") != -1) {
			alert("To print this page press Command-P.");
		} else {
			alert("To print this page press Control-P.");
		}
	}
	
}

function shDiv ( id, s ) {
		
	div = document.getElementById(id);
	
	if ( s == "block" ) {
		e = "none";
	} else {
		s = "none";
		e = "block";
	}
	
	if ( div.style.display != e ) {
		div.style.display = e;
	} else {
		div.style.display = s;
	}
		
}