msg = function msg(msg){
	
	if ($('[id^="invisible_message_div_"]').length == 0){
		
		$('<div id="invisible_message_div_1"></div>').appendTo("body");
		dialog_number = 1;
		
	} else {
		
		dialog_number = $('[id^="invisible_message_div_"]').attr('id').substr($('[id^="invisible_message_div_"]').attr('id').lastIndexOf('_')+1, $('[id^="invisible_message_div_"]').attr('id').length);
		$('<div id="invisible_message_div_'+dialog_number+'"></div>').appendTo("body");
	}
	
	$('<div id="invisible_message_div_'+dialog_number+'"></div>').html(msg).dialog({ resizable: false });
};

error = function error(error){
	
	if ($('#invisible_error_div').length == 0) {
		
		$('<div id="invisible_error_div"></div>').appendTo("body");
	}

	$('#invisible_error_div').html(error).dialog({ modal: true, draggable: false, resizable: false });
	
	$('#invisible_error_div').dialog('open');
};