diff --git a/build/runtest/env.js b/build/runtest/env.js
index de422f7e5..23ffaeddd 100644
--- a/build/runtest/env.js
+++ b/build/runtest/env.js
@@ -469,82 +469,103 @@ var window = this;
 	}
 	
 	// XMLHttpRequest
+	// Originally implemented by Yehuda Katz
 
 	window.XMLHttpRequest = function(){
-	  this.headers = {};
-	  this.responseHeaders = {};
+		this.headers = {};
+		this.responseHeaders = {};
 	};
 	
 	XMLHttpRequest.prototype = {
 		open: function(method, url, async, user, password){ 
-		  this.readyState = 1;
-		  if(async) this.async = true;
-		  this.method = method || "GET";
-		  this.url = url;
-		  this.onreadystatechange();
+			this.readyState = 1;
+			if (async)
+				this.async = true;
+			this.method = method || "GET";
+			this.url = url;
+			this.onreadystatechange();
 		},
 		setRequestHeader: function(header, value){
-		  this.headers[header] = value;
+			this.headers[header] = value;
 		},
 		getResponseHeader: function(header){ },
 		send: function(data){
-		  var makeRequest = function() {
-		    var url = new java.net.URL(this.url);
-		    var connection = url.openConnection();
-		    // Add headers to Java connection
-		    for(header in this.headers) connection.addRequestProperty(header, this.headers[header]);
-		    connection.connect();
-		    // Stick the response headers into responseHeaders
-		    for(i=0;;i++) { 
-		      headerName = connection.getHeaderFieldKey(i); 
-		      headerValue = connection.getHeaderField(i); 
-		      if(!headerName && !headerValue) break; 
-		      if(headerName) this.responseHeaders[headerName] = headerValue;
-		    }
-	      this.readyState = 4;
-        this.status = parseInt(connection.responseCode);
-        this.statusText = connection.responseMessage;
-        var stream = new java.io.InputStreamReader(connection.getInputStream());
-        var buffer = new java.io.BufferedReader(stream);
-        var line;
-        while((line = buffer.readLine()) != null) this.responseText += line;
-        try {
-          this.responseXML = new DOMDocument(this.responseText);
-        } catch(e) {
-          this.responseXML = null;
-        }
-        this.onreadystatechange();
-		  };
-		  if(this.async) {
-  		  var requestThread = (new java.lang.Thread(new java.lang.Runnable({
-  		    run: makeRequest
-  		  })));
-  		  requestThread.start();
-		  }
-  		else makeRequest();
+			function makeRequest(){
+				var url = new java.net.URL(this.url),
+					connection = url.openConnection();
+				
+				// Add headers to Java connection
+				for (var header in this.headers)
+					connection.addRequestProperty(header, this.headers[header]);
+			
+				connection.connect();
+				
+				// Stick the response headers into responseHeaders
+				for (i=0; ; i++) { 
+					var headerName = connection.getHeaderFieldKey(i); 
+					var headerValue = connection.getHeaderField(i); 
+					if (!headerName && !headerValue) break; 
+					if (headerName)
+						this.responseHeaders[headerName] = headerValue;
+				}
+				
+				this.readyState = 4;
+				this.status = parseInt(connection.responseCode);
+				this.statusText = connection.responseMessage;
+				
+				var stream = new java.io.InputStreamReader(
+						connection.getInputStream()),
+					buffer = new java.io.BufferedReader(stream),
+					line;
+				
+				while ((line = buffer.readLine()) != null)
+					this.responseText += line;
+				
+				try {
+					this.responseXML = new DOMDocument(this.responseText);
+				} catch(e) {
+					this.responseXML = null;
+				}
+
+				this.onreadystatechange();
+			}
+
+			if (this.async)
+				(new java.lang.Thread(new java.lang.Runnable({
+					run: makeRequest
+				}))).start();
+			else
+				makeRequest();
 		},
-		abort: function(){ },
-		onreadystatechange: function(){ },
-		getResponseHeader: function(header) {
-		  if(this.readyState < 3) throw new Error("INVALID_STATE_ERR");
-		  else {
-		    var returnedHeaders = [];
-		    for(rHeader in this.responseHeaders) {
-		      if(rHeader.match(new Regexp(header, "i"))) returnedHeaders.push(this.responseHeaders[rHeader]);
-		    }
-		    if(returnedHeaders != []) return returnedHeaders.join(", ");
-		  }
-		  return null;
+		abort: function(){},
+		onreadystatechange: function(){},
+		getResponseHeader: function(header){
+			if (this.readyState < 3)
+				throw new Error("INVALID_STATE_ERR");
+			else {
+				var returnedHeaders = [];
+				for (var rHeader in this.responseHeaders) {
+					if (rHeader.match(new Regexp(header, "i")))
+						returnedHeaders.push(this.responseHeaders[rHeader]);
+				}
+			
+				if (returnedHeaders.length)
+					return returnedHeaders.join(", ");
+			}
+			
+			return null;
 		},
-		getAllResponseHeaders: function(header) {
-		  if(this.readyState < 3) throw new Error("INVALID_STATE_ERR");
-		  else {
-		    returnedHeaders = [];
-		    for(var header in this.responseHeaders) {
-		      returnedHeaders += (header + ": " + this.responseHeaders[header]);
-		    }
-		    return returnedHeaders.join("\r\n");
-		  }
+		getAllResponseHeaders: function(header){
+			if (this.readyState < 3)
+				throw new Error("INVALID_STATE_ERR");
+			else {
+				var returnedHeaders = [];
+				
+				for (var header in this.responseHeaders)
+					returnedHeaders.push( header + ": " + this.responseHeaders[header] );
+				
+				return returnedHeaders.join("\r\n");
+			}
 		},
 		async: true,
 		readyState: 0,