// JavaScript Document

var xmlHttp;



function affichePort(tot,poids)
{
	var vidart = document.getElementById("region").value;
	// var vart = document.getElementById("art").value;
	// var mode = document.getElementById("mode").value;

	xmlHttp = GetXmlHttpObject();
	if (xmlHttp == null)
	{
		alert("Votre navigateur ne supporte pas les requêtes HTTP.");
		return false;
	} 
	var url="spip.php?page=ajax-port";

	xmlHttp.onreadystatechange = function (){
		if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
		{

				document.getElementById("aff_port").innerHTML = xmlHttp.responseText;

		}
		else
		{
		document.getElementById("aff_port").innerHTML = "<div style='text-align:center'><br />Calcul en cours...<br /><br /><img src='images/loading.gif' /></div>";
		}
	}
	
	var params = "region="+vidart+"&total="+tot+"&poids="+poids;
	xmlHttp.open("POST", url, true);
	xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;");
	xmlHttp.send(params);
	return true;
} 

function GetXmlHttpObject()
{ 
	var objXMLHttp=null;
	if (window.XMLHttpRequest)
		objXMLHttp=new XMLHttpRequest();
	else if (window.ActiveXObject)
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	return objXMLHttp;
}