//Fun??o que cria AJAX Request
function createRequest() {
	var request;
	try {
		request = new XMLHttpRequest();
	} catch (trymicrosoft) {
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (othermicrosoft) {
			try {
				request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
				request = false;
			}
		}
	}
	if (!request){
		alert("Error initializing XMLHttpRequest!");
	}
	return request;
}

function statusConnection( httpXmlReq , elemId ){
	if( httpXmlReq.readyState=='1' ){ 
		aff_add( elemId, 'Connection établie ...'); 
	} 
	else { 
		if( httpXmlReq.readyState=='2' ){ 
			aff_add( elemId, 'Envoi des données ... '); 
		} 
	 	else { 
	 		if( httpXmlReq.readyState=='3' ){ 
	 			aff_add( elemId, 'Enregistrement des données ... '); 
		 	} 
		} 
	} 
}