// Ben-J 
function createQCObject() { 
   var req; 
   if(window.XMLHttpRequest){ 
      // Firefox, Safari, Opera... 
      req = new XMLHttpRequest(); 
   } else if(window.ActiveXObject) { 
      // Internet Explorer 5+ 
      req = new ActiveXObject("Microsoft.XMLHTTP"); 
   } else { 
      alert('Problem creating the XMLHttpRequest object'); 
   } 
   return req; 
} 

// Make the XMLHttpRequest object 
var http = createQCObject(); 

function loadecotaxe() {
	if (document.getElementById('ecotaxe').value.length>0) {
		http.open('POST', 'http://www.volvo-entreprise.com/fiscalite-ecotaxe.ajax.php?eco='+document.getElementById('ecotaxe').value+'');
		http.onreadystatechange = function() {
			if(http.readyState == 4 && http.status == 200) { 
				var response = http.responseText;
				if(response) {
					document.getElementById("ecotaxeFromAjax").style.display = 'block';
					document.getElementById("ecotaxeFromAjax").innerHTML = http.responseText;
				} 
			} 
		} 
		http.send(null);
	}
}