function criaXMLHttp() {	

	if (typeof XMLHttpRequest != "undefined")

 	return new XMLHttpRequest();

 else if (window.ActiveXObject){

 	var versoes = ["MSXML2.XMLHttp.5.0",

 	"MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0",

 	"MSXML2.XMLHttp", "Microsoft.XMLHttp"

 	];

 }

 for (var i = 0; i < versoes.length; i++){

 	try{

 		return new ActiveXObject(versoes[i]);

 	}catch (e) {}

 }

 throw new Error("Seu browser nao suporta AJAX");

}





function criaReqStr(oForm){

	var aPostStr = new Array();	

	for(var i = 0; i < oForm.elements.length; i++){

		var sValor = encodeURIComponent(oForm.elements[i].name);		

		sValor += "=";

		sValor += encodeURIComponent(oForm.elements[i].value);

		aPostStr.push(sValor);

	}

	

	return aPostStr.join("&");

}



function enviaReq(nome,lado){

	l = lado;

	lado += '';

    var f = lado.charAt(0).toUpperCase();

     lado = f + lado.substr(1);



	var oForm = document.forms[nome];

	var sBody = criaReqStr(oForm);

	

	document.getElementById("email-share-form"+lado).style.display="none";;

	var oXMLHttp = criaXMLHttp();

	oXMLHttp.open("post", oForm.action, true);

	oXMLHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

 

	oXMLHttp.onreadystatechange = function (){

		if(oXMLHttp.readyState == 4){						
			
			$("#mensagem").removeClass().addClass("feedback_email_"+l);

			//document.getElementById("mensagem").class = "none";

			//document.getElementById("mensagem").className = "none";

			//document.getElementById("mensagem").class = "feedback_email_"+l; 

			//document.getElementById("mensagem").className = "feedback_email_"+l;

			document.getElementById("mensagem").innerHTML = oXMLHttp.responseText;			

		}

	};

	oXMLHttp.send(sBody);

}