function fBronBookON( obj, act ){
	if( "ON" == act ){
		document.getElementById( obj + 'Button' ).style.display = 'none';
		document.getElementById( obj ).style.display = 'block';
	}else{
		document.getElementById( obj + 'Button' ).style.display = 'block';
		document.getElementById( obj ).style.display = 'none';
	}
}

function switchVisible( off, on ){
	document.getElementById( off ).style.display = 'none';
	document.getElementById( on ).style.display = 'block';
}