function showMessages(messages, type, array){
var _div,_divText,_divBlack, count;
	if (type == 'message'){
		_div = document.getElementById('tree_messages');
		_divBlack = document.getElementById('tree_messages_black');
		_divText = document.getElementById('tree_message_body');
	}
	else {
		_div = document.getElementById('tree_errors');
		_divBlack = document.getElementById('tree_errors_black');
		_divText = document.getElementById('tree_error_body');
	}
	count = messages.length;
	_divText.innerHTML = '';
	for (_j=0; _j < count; _j++){
		if (!array)
			mess = treeGetValue(messages.item(_j));
		else
			mess = messages[_j];	
		_divText.innerHTML += mess+ '<br />';
	}
	_div.style.display="";	
	_divBlack.style.display="";	
}