//******************************************************//

function confere_email(formulario) {
var valido = formulario.value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/);
if (valido) {
   return true;
} else {
   return false;
   }
}

//******************************************************//

function confere(formulario) {
if (formulario.value=="") {
	return false;
}
else {
return true;
}
}

//******************************************************//
function envia(){  
   if (confere(document.formulario.nome)) 
   {
		if (confere_email(document.formulario.email)) 
		{
			if (confere(document.formulario.assunto)) 
			{				
				if (confere(document.formulario.mensagem)) 
				{
					document.formulario.submit()
					document.formulario.reset()
				}
				else 
				{
					alert('Please have to type a message!!')
				}	
			}
			else 
			{
				alert('Please enter the subject!')
			}
		}
		else 
		{
			alert('Please enter a valid e-mail!')
		}
   }
   else 
   {
   		 alert('Please you must enter your name!')
   }		  	 
}	
//******************************************************//
function envia_news(){  
  if (confere(document.formulario2.nome)) 
  {			
     if (confere_email(document.formulario2.email)) 
     {
			document.formulario2.submit()
			document.formulario2.reset()
   	 }
	 else 
  	 {
		alert('You must enter a valid e-mail!')
  	 } 
  }
  else 
  {
	alert('You must enter your name!')
  }	
}