var xmlHttp;

function getProd(prod, lang)
{
	xmlHttp = GetXmlHttpObject();
	
	if(xmlHttp == null)
 	{
 		alert ("O seu Browser não suporta HTTP Request");
 		return;
 	}
	
 	var url  = "selProd.php";
 	    url += "?prod=" + prod + "&lang=" + lang;
 	//alert(url);
 	xmlHttp.onreadystatechange = stateChanged;
 	xmlHttp.open("GET",url,true);
 	xmlHttp.send(null);
}

function stateChanged(){
	if(xmlHttp.readyState == 2){
		document.getElementById("produtos").innerHTML = "...";
		alert("Aguardando informação: prod:" + prod + "lang" + lang);
	}
	
	if(xmlHttp.readyState == 4){
		document.getElementById("produtos").innerHTML = xmlHttp.responseText;
		alert(xmlHttp.responseText);
	}
}

function GetXmlHttpObject()
{
	var xmlHttp = null;
	try
	{
		// Firefox, Opera 8.0+, Safari, Chrome, IE7+;
		xmlHttp = new XMLHttpRequest();
	}
	catch(e)
	{
		//Internet Explorer 6;
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		//Internet Explorer 5;
		catch(e)
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}