// JavaScript Document


var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++) {
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ string: navigator.userAgent, subString: "Chrome", identity: "Chrome" },
		{ string: navigator.userAgent, subString: "OmniWeb", versionSearch: "OmniWeb/", identity: "OmniWeb" },
		{ string: navigator.vendor, subString: "Apple", identity: "Safari" },
		{ prop: window.opera, identity: "Opera" },
		{ string: navigator.vendor, subString: "iCab", identity: "iCab" },
		{ string: navigator.vendor, subString: "KDE", identity: "Konqueror" },
		{ string: navigator.userAgent, subString: "Firefox", identity: "Firefox" },
		{ string: navigator.vendor, subString: "Camino", identity: "Camino" },
		// for newer Netscapes (6+)
		{ string: navigator.userAgent, subString: "Netscape", identity: "Netscape" },
		{ string: navigator.userAgent, subString: "MSIE", identity: "Explorer", versionSearch: "MSIE" },
		{ string: navigator.userAgent, subString: "Gecko", identity: "Mozilla", versionSearch: "rv" },
 		// for older Netscapes (4-)
		{ string: navigator.userAgent, subString: "Mozilla", identity: "Netscape", versionSearch: "Mozilla" }
	],
	dataOS : [
		{ string: navigator.platform, subString: "Win", identity: "Windows" },
		{ string: navigator.platform, subString: "Mac", identity: "Mac" },
		{ string: navigator.platform, subString: "Linux", identity: "Linux" }
	]

};

function png(){
	var arVersion = navigator.appVersion.split("MSIE");
	var version = parseFloat(arVersion[1]);
	if ((version >= 5.5) && (document.body.filters)){
	   for(var i=0; i<document.images.length; i++){
		  var img = document.images[i];
		  var imgName = img.src.toUpperCase();
		  if (imgName.substring(imgName.length-3, imgName.length) == "PNG"){
			 var imgID = (img.id) ? "id='" + img.id + "' " : "";
			 var imgClass = (img.className) ? "class='" + img.className + "' " : "";
			 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
			 var imgStyle = "display:block;" + img.style.cssText;
			 if (img.align == "left") imgStyle = "float:left;" + imgStyle;
			 if (img.align == "right") imgStyle = "float:right;" + imgStyle;
			 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;
			 var strNewHTML = "<span " + imgID + imgClass + imgTitle
			 + " style=\"z-index:-1;" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle
			 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			 + "(src=\'" + img.src + "\', sizingMethod='none');\"></span>";
			 img.outerHTML = strNewHTML;
			 i = i-1;
		  }
	   }
	}
}

/* NEWSLETTER */

function addNewsletter(){
	var poststr = "nome=" + encodeURI ( document.getElementById("nome").value ) +
				"&email=" + encodeURI ( document.getElementById("email").value ) +
				"&msg1=" + encodeURI ( document.getElementById("msg1").value ) +
				"&msg2=" + encodeURI ( document.getElementById("msg2").value )+
				"&msg3=" + encodeURI ( document.getElementById("msg3").value );
	//alert (poststr);
	sendRequest('post.php?tipo=newsletter&'+poststr,'newsletter');
}


/* CONTATO */

function addContato(){
	var poststr = "nome=" + encodeURI ( document.getElementById("nome").value ) +
				"&email=" + encodeURI ( document.getElementById("email").value ) +
				"&mensagem=" + encodeURI ( document.getElementById("mensagem").value);
	//alert (poststr);
	sendRequest('post.php?tipo=contato&'+poststr,'contato');
}

/* AJAX */
function sendRequest(url,id,postData){
	document.getElementById(id).innerHTML = "<center><img src='./css/img/loading.gif' alt='carregando...' /></center>";
	var req = createXMLHTTPObject();
	if (!req) return;
	var method = (postData) ? "POST" : "GET";
	req.open(method,url,true);
	req.setRequestHeader('User-Agent','XMLHTTP/1.0');
	if (req.overrideMimeType) req.overrideMimeType('text/html');
	if (postData) req.setRequestHeader('Content-type','application/x-www-form-urlencoded');

	req.onreadystatechange = function () {
		if (req.readyState != 4) return;
		if (req.status != 200 && req.status != 304) {
			alert('HTTP error ' + req.status);
			return;
		}
		document.getElementById(id).innerHTML = req.responseText; 
	}
	if (req.readyState == 4) return;
	req.send(postData);
}

var XMLHttpFactories = [
	function () {return new XMLHttpRequest()},
	function () {return new ActiveXObject("Msxml2.XMLHTTP")},
	function () {return new ActiveXObject("Msxml3.XMLHTTP")},
	function () {return new ActiveXObject("Microsoft.XMLHTTP")}
];

function createXMLHTTPObject() {
	var xmlhttp = false;
	for (var i=0;i<XMLHttpFactories.length;i++) {
		try { xmlhttp = XMLHttpFactories[i](); } catch (e) { continue; }
		break;
	}
	return xmlhttp;
}