function valida_news()
   {
	  
	  	   if (form1.news_nome.value==""){alert("Favor preencher o campo Nome"); form1.news_nome.focus(); return false;}
		 
	   if (form1.news_email.value==""){alert("Favor preencher o campo E-mail"); form1.news_email.focus(); return false;}


	if (form1.news_email.value!="" && form1.news_email.value.indexOf("@") == -1 || form1.news_email.value!="" && form1.news_email.value.indexOf(".") == -1)
	{
			 alert("Favor preencher o E-mail corretamente"); form1.news_email.focus(); return false;
	}
   document.form1.submit();
   }
   
function valida_enquete()
   {
	  
	  	   if (forms[2].enquete.value==""){alert("Selecione uma opcao"); return false;}
		      document.form2.submit();
   }