featureOffsets = ["0","-548","-1096"]
sliderOffsets = ["-593","-473","-353"]
totalSlides = 3
currentSlide = 1
playSpeed = 5000

function playSlide() {
	if (currentSlide == 1) { direction = "forward"; };
	if (currentSlide == totalSlides) { direction = "back" };
	if (direction == 'forward') {moveSlide(currentSlide + 1,1)} else {moveSlide(currentSlide - 1,1)} 		
	ct=setTimeout("playSlide()", playSpeed);
}

function moveSlide(slideNumber,duration) {
	duration = duration || 0.5
	mF = new Effect.Move('slide', { x:featureOffsets[slideNumber - 1], mode: 'absolute', duration:duration  });
	//mS = new Effect.Move('arrow', { x:sliderOffsets[slideNumber - 1], y: 210, mode: 'absolute', duration:duration });
	currentSlide = slideNumber;		
}

function startSlide() {
	direction='forward'
	ct=setTimeout('playSlide();',playSpeed);	
}

function cancelSlide() {
	if (typeof(mF) != "undefined")  {mF.cancel()};
	if (typeof(mS) != "undefined")  {mS.cancel()};
}

function pauseSlideAt(slideNumber) {
	cancelSlide();
	clearTimeout(ct);
	moveSlide(slideNumber);
	currentSlide = slideNumber;
}
function slideClickSlide() {
	location.href = $('slide').select('a')[currentSlide - 1].href;
}

startSlide();

function FormContato(){
	
	if ( document.getElementById("txtnome").value == "" )
	{
		alert("Informe o seu Nome.");
		document.getElementById("txtnome").focus();
		return;
	}
	if ( document.getElementById("txtemail").value == "" )
	{
		alert("Informe o seu E-mail.");
		document.getElementById("txtemail").focus();
		return;
	}
	if ( document.getElementById("txttelefone").value == "" )
	{
		alert("Escreva seu Telefone.");
		document.getElementById("txttelefone").focus();
		return;
	}
		if ( document.getElementById("txtmensagem").value == "" )
	{
		alert("Escreva sua Mensagem.");
		document.getElementById("txtmensagem").focus();
		return;
	}
	
	var params;
	params = "txtnome=" + document.getElementById("txtnome").value;
	params += "&txtemail=" + document.getElementById("txtemail").value;
	params += "&txttelefone=" + document.getElementById("txttelefone").value;
	params += "&txtempresa=" + document.getElementById("txtempresa").value;
	params += "&txtconheceu=" + document.getElementById("txtconheceu").value;
	params += "&txtmensagem=" + document.getElementById("txtmensagem").value;
		document.getElementById("div_enviando").style.display = "block";	
	var ajax = new AJAX();
	ajax.url = "sendcontato.asp";	
	ajax.metodo = "POST";
	ajax.params = params;
	ajax.retorno = function() {	
		document.getElementById("FormContato").reset();	
		document.getElementById('div_alert').style.display = 'block';
		document.getElementById("div_enviando").style.display = "none";	
		setTimeout(FecharEnviando,3000);	// segundos
	}
	ajax.conectar();
	
}
function FecharEnviando() {
	//document.getElementById('div_alert').style.display = 'none';
	new Effect.Fade('div_alert');
}