use script instead of xmlhttprequest if firebug is installed (avoid firefox crash)

1 files changed, 4 insertions, 5 deletions

diff --git a/itjs/loader.js b/itjs/loader.js
index 16a3deb..b5e0a44 100644
--- a/itjs/loader.js
+++ b/itjs/loader.js
@@ -51,8 +51,7 @@ load: function(baseurl, pos, num, query_volatile, retry)
 	this.num = num;
 	this.query_volatile = query_volatile;
 
-	if (this.req)
-		this.stop();
+	this.stop();
 
 	while ((num > 0) && this.entry[pos])
 	{
@@ -67,12 +66,12 @@ load: function(baseurl, pos, num, query_volatile, retry)
 	{
 		this.req = null;
 		var samehost = (baseurl.indexOf('http://') < 0 || baseurl.indexOf(window.location.hostname) > 0);
+		var use_script = (window.console && window.console.firebug) || !samehost; // use XMLHTTP request only if on same host and not using firebug
 
 		if (retry)
 			baseurl += "&retry=" + retry;
 
-		// use XMLHTTP request if available
-		if (samehost)
+		if (!use_script)
 		{
 			try
 			{
@@ -120,7 +119,7 @@ load: function(baseurl, pos, num, query_volatile, retry)
 		{
 			var req_url = baseurl + "&pos=" + pos + "&num=" + num + (query_volatile ? query_volatile : "") + (this.post_data ? '&' + this.post_data : "") + "&itjs_call=it_loader.__inst" + this.instance + "&itjs_callid=" + ++this.callid;
 
-			if (samehost || (window.opera && !window.XMLHttpRequest))  // Opera 7 only works with iframes
+			if (!use_script || (window.opera && !window.XMLHttpRequest))  // Opera 7 only works with iframes
 			{
 				this.scrpt = document.createElement("iframe");
 				this.scrpt.style.width = this.scrpt.style.height = 1;