$(document).ready(function()
{
	$('#btcadastrar').click(function()
	{
		if($('#nome').val()==0 | $('#email').val()==0)
		{
			alert("Por favor preencha os campos:\n-Nome\n-Email");
			$('#nome').focus();
		} else if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test($('#email').val()))) {
			alert("Digite um e-mail valido!");
			$('#email').focus();
		} else {		
			var loading = $('#loading');
			var result = $('#result');
			
			var formulario = $('#frm_signup');
			var params = formulario.serialize();
			
			$.ajax({			    
				type: 'POST',
				url: 'send_newsfeed.php',
				data: params,
				
				beforeSend: function()
				{				
					loading.show();
					$('#form').hide();
				},
				
				success: function(txt)
				{               
					loading.hide();	
					
					var retorno = txt;
					result.show();
					result.html(retorno);				
				},
		
				error: function(txt)
				{
					result.show();
					result.html(txt);
				}	
			});
		}//validation
	});
});