IE6 will shrink-wrap elements with layout instead of allowing content to flow outside...
[jquery.git] / src / ajax.js
index ef0e1d8..e615480 100644 (file)
@@ -8,7 +8,7 @@ var jsc = jQuery.now(),
        rbracket = /\[\]$/,
        jsre = /\=\?(&|$)/,
        rquery = /\?/,
-       rts = /([?&])_=[^&]*(&?)/,
+       rts = /([?&])_=[^&]*/,
        rurl = /^(\w+:)?\/\/([^\/?#]+)/,
        r20 = /%20/g,
        rhash = /#.*$/,
@@ -180,19 +180,10 @@ jQuery.extend({
                password: null,
                traditional: false,
                */
-               // Create the request object; Microsoft failed to properly
-               // implement the XMLHttpRequest in IE7 (can't request local files),
-               // so we use the ActiveXObject when it is available
                // This function can be overriden by calling jQuery.ajaxSetup
-               xhr: window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ?
-                       function() {
-                               return new window.XMLHttpRequest();
-                       } :
-                       function() {
-                               try {
-                                       return new window.ActiveXObject("Microsoft.XMLHTTP");
-                               } catch(e) {}
-                       },
+               xhr: function() {
+                       return new window.XMLHttpRequest();
+               },
                accepts: {
                        xml: "application/xml, text/xml",
                        html: "text/html",
@@ -278,7 +269,7 @@ jQuery.extend({
                        var ts = jQuery.now();
 
                        // try replacing _= if it is there
-                       var ret = s.url.replace(rts, "$1_=" + ts + "$2");
+                       var ret = s.url.replace(rts, "$1_=" + ts);
 
                        // if nothing was replaced, add timestamp to the end
                        s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
@@ -695,6 +686,27 @@ jQuery.extend( jQuery.ajax, {
 
 });
 
+/*
+ * Create the request object; Microsoft failed to properly
+ * implement the XMLHttpRequest in IE7 (can't request local files),
+ * so we use the ActiveXObject when it is available
+ * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
+ * we need a fallback.
+ */
+if ( window.ActiveXObject ) {
+       jQuery.ajaxSettings.xhr = function() {
+               if ( window.location.protocol !== "file:" ) {
+                       try {
+                               return new window.XMLHttpRequest();
+                       } catch(e) {}
+               }
+
+               try {
+                       return new window.ActiveXObject("Microsoft.XMLHTTP");
+               } catch(e) {}
+       };
+}
+
 // Does this browser support XHR requests?
 jQuery.support.ajax = !!jQuery.ajaxSettings.xhr();