var objDefault;
jQuery(function($) {
	objDefault = new Default();

	objDefault.showMessages();
});

function Default() {
	this.alert = function(message) {
		objDefault.appendMessage();
		$("#messages").html(message);
		objDefault.showMessages();
	};
	this.appendMessage = function() {
		//if (!$("#messages")) {
			$("body").prepend('<div id="messages" title="Mensagem"></div>');
		//}
	};
	this.showMessages = function() {
		if ($("#messages").html() != '') {
			$("#messages").dialog({
				bgiframe: true,
				modal: true,
				width: 400,
				buttons: {
					Ok: function() {
						$(this).dialog('close');
					}
				}
			});
		}
		objDefault.appendMessage();
	};
}