function validar(formulario){
	var obj = document.getElementById("nome");
  	var txt = obj.value;
	if(txt.length < 1) {
		alert('Por favor, informe seu nome para se cadastrar!');
		obj.focus();
		return false;
	}
	obj = document.getElementById("email");
  	txt = obj.value;
	if(txt.length < 1) {
		alert('Por favor, informe seu e-mail para se cadastrar!');
		obj.focus();
		return false;
	}else if(txt.indexOf("@") < 1) {
		alert('Seu e-mail deve conter o caractere @!');
		obj.focus();
		return false;
	}else if(txt.indexOf('.') < 1) {
		alert('Seu e-mail deve conter pelo menos um ponto');
		obj.focus();
		return false;
	}
	
	return true;
}


/** 
 * Default Scripts
 * 
 * @package   Vox Midia
 * @category  JavaScript
 * @name      scrips.js
 * @author    Gabriel Izaias <gabriel@voxmidia.com.br>
 * @copyright Vox Midia Comunicação Digital
 * @license   http://creativecommons.org/licenses/by-sa/3.0/br/ Creative Commons Attribution-Share Alike 3.0 Unported
 * @link      [link de onde pode ser encontrado esse arquivo] 
 * @version   1.0
 * @updated   03-17-2010 <mm-dd-yyyy>
 */
$(document).ready( function(){
			$("a[rel^='prettyPhoto']").prettyPhoto();	
					
				
	/**
	* Body Class 
	*
	* Adiciona classes ao <body> respectivas ao sistema operacional, browser e versão do browser.
	* Ex.: Se vc estiver no Windows usando Firefox 3: <body class="windows firefox firefox3">
	*
	* @author 	Gabriel Izaias <gabriel.izaias@gmail.com.br>
	* @updated	03-17-2010 <mm-dd-yyyy>
	* @version	1.2
	*/
	var nav = navigator.userAgent.toLowerCase();
	a =  /(chrome)(?:.*chrome)?[ \/]([\w.]+)/.exec(nav) || /(safari)(?:.*version)?[ \/]([\w.]+)/.exec(nav) || /(opera)(?:.*version)?[ \/]([\w.]+)/.exec(nav) || /(ie) ([\w.]+)/.exec(nav) || !/compatible/.test(nav) && /(firefox)(?:.*firefox)?[ \/]([\w.]+)/.exec(nav) || [];
	if ( nav.indexOf('macintosh') != -1 ){ os = 'macintosh';}  else if ( nav.indexOf('windows') != -1 ){ os = 'windows'; } else if ( nav.indexOf('linux') != -1 ){ os = 'linux'; }else{ os = '';}
	var	browser = { name: a[1] || "", version: a[2] || "0", os: os }
	$("body").addClass( browser.name + ' ' + browser.name+parseInt(browser.version) + ' ' + browser.os );
	
	/* CSS Fix */
	$("#twitter-box li:last, #blog-box li:last").addClass('noBorder noMarginBottom');
	$("#menu li:last").addClass("noBackground");
	
	/*  Clientes Sidebar */
	var timer = setInterval("changeClient()",3000);
	
	$("#bn1").css('display','block');
	setTimeout('sixChanger(1)',7000);
	$("#bannerChangerN li a").click(function(){
												$("#bannersHomeSix li").css('display','none');
												$("#bn"+$(this).attr('value')).css('display','block');
												$("#bannerChangerN li a").removeClass('ativo');
												$(this).addClass('ativo');
												flagChange = false;
											});
});
/*  Clientes Sidebar */
function changeClient(){
	var li = $("#clients-box li:visible");
	if (li.next().is('li')){
		//alert('nao e o ultimo, normal');
		li.fadeOut('slow', function(){ $(this).next().fadeIn('slow') });
	} else {
		//alert('e o ultimo');
		li.fadeOut('slow', function(){ $('#clients-box li:first').fadeIn('slow') });
	}
}
/*
* Equal Heights
*/
(function($){
	$.fn.equalHeight = function(){
		matchObjects = this;
		bigger = 0;
		matchObjects.each( function(i){
			thisHeight = $(this).height();
			if (thisHeight > bigger){ bigger = thisHeight }
		});
		matchObjects.each( function(){ $(this).height(bigger); } );
		return matchObjects;
	}
})(jQuery);

flagChange = true;

function sixChanger(v){
	if(flagChange){
		$("#bn"+v).css('display','none');
		$("#bannerChangerN li a").removeClass('ativo');
		v++;
		if(v>4){v=1};
		$("#att"+v).addClass('ativo');
		$("#bn"+v).css('display','block');
		setTimeout('sixChanger('+v+')',5000);
	}else{
		setTimeout('sixChanger('+v+')',5000);
		flagChange = true;
	}
}
function sixChangeNow(v){
	flagChange = false;
	$("bannersHomeSix li").css('display','none');
	$("#bannerChangerN li a").removeClass('ativo');
	$("#att"+v).addClass('ativo');
	$("#bn"+v).css('display','block');
}

