Fix: ajout vérification sur la fonction loadXMLDoc

htdocs/lib/lib_head.js

@@ -261,10 +261,6 @@ function loadXMLDoc(url,readyStateFunction,async)
 		req = new XMLHttpRequest();
 		if (req.overrideMimeType) {
       req.overrideMimeType('text/xml');
-    }
-    if (!req) {
-      alert('Cannot create XMLHTTP instance');
-      return false;
     }
 		req.onreadystatechange = readyStateFunction;
 		req.open("GET", url, async);
@@ -276,6 +272,10 @@ function loadXMLDoc(url,readyStateFunction,async)
 			if(readyStateFunction) req.onreadystatechange = readyStateFunction;
 			req.open("GET", url, async);
 			req.send();
+		}
+		else {
+      alert('Cannot create XMLHTTP instance');
+      return false;
     }
 	}
 }