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


function loadImgs() {
	for (var i = 0; i < 3; i++) {
		var im = new Image();
		im.src = "home_" + (i+1) + ".jpg";
	}
	for (var i = 0; i < 27; i++) {
		for (var x = 0; x < 4; x++) {
			var im = new Image();
			im.src = "eventos/t_img_" + (i+1) + "_" + (x+1) + ".jpg";
		}
	}
	var im = new Image();
	im.src = "contato.jpg";
	
	im = new Image();
	im.src = "carregando.jpg";
}

/********************************************************************************
**********
**********	HOME
**********
********************************************************************************/

function getImgHome() {
	var home = getCookie("home");
	if (home == null || home == "") {
		home = "1";
	}
	if (home == "1") {
		home = "3";
	}
	else if (home == "2") {
		home = "1";
	}
	else if (home == "3") {
		home = "2";
	}
	else {
		home = "1";
	}
	setCookie("home", home, 365);
	return home;
}

function setCookie(c_name, value, expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
}
function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) {
			c_start = c_start + c_name.length + 1;
			c_end = document.cookie.indexOf(";", c_start);
			if (c_end == -1)
				c_end = document.cookie.length;
			
			return unescape(document.cookie.substring(c_start, c_end));
		}
	}
	return "";
}



/********************************************************************************
**********
**********	CONTATO
**********
********************************************************************************/
function enviarForm() {
	var msg = "";
	if (document.getElementById("realname").value == "") {
		msg += "Preencha o campo Nome.\n";
	}
	if (document.getElementById("email").value == "") {
		msg += "Preencha o campo E-mail.\n";
	}
	if (document.getElementById("email").value != "" && !checkMail(document.getElementById("email").value)) {
		msg += "Preencha o campo E-mail corretamente.\n";
	}
	if (msg == "") {
		document.getElementById("formEnviar").submit();
	}
	else {
		alert(msg);
	}
}
function limparForm() {
	document.getElementById("realname").value = "";
	document.getElementById("telefone").value = "";
	document.getElementById("email").value = "";
	document.getElementById("mensagem").value = "";
}

function checkMail(mail) {
	var er = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
	if (typeof(mail) == "string") {
		if (er.test(mail)){
			return true;
		}
	}
	else if (typeof(mail) == "object") {
		if (er.test(mail.value)) {
			return true;
		}
	}
	else {
		return false;
	}
}