var firstField 	= null

function createError( id,  msg )
{
	var e 		= document.getElementById( id );
	e.className = "error";
	
	if ( !firstField )
		firstField = id;
	
	return msg;
}

function toggle( id ) 
{
	var object 	= document.getElementById( id );
	var state 	= object.style.display;
	if ( state == 'none' )
		object.style.display = 'block';
	else if ( state != 'none' )
		object.style.display = 'none'; 
}