+
+ callback = callback || function(){};
+
+ // Default to a GET request
+ var type = "GET";
+
+ // If the second parameter was provided
+ if ( params )
+ // If it's a function
+ if ( jQuery.isFunction( params ) ) {
+ // We assume that it's the callback
+ callback = params;
+ params = null;
+
+ // Otherwise, build a param string
+ } else {
+ params = jQuery.param( params );
+ type = "POST";
+ }
+
+ var self = this;
+
+ // Request the remote document
+ jQuery.ajax({
+ url: url,
+ type: type,
+ data: params,
+ complete: function(res, status){
+ // If successful, inject the HTML into all the matched elements
+ if ( status == "success" || status == "notmodified" )
+ // See if a selector was specified
+ self.html( selector ?
+ // Create a dummy div to hold the results
+ jQuery("<div/>")
+ // inject the contents of the document in, removing the scripts
+ // to avoid any 'Permission Denied' errors in IE
+ .append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
+
+ // Locate the specified elements
+ .find(selector) :
+
+ // If not, just inject the full result
+ res.responseText );
+
+ // Add delay to account for Safari's delay in globalEval
+ setTimeout(function(){
+ self.each( callback, [res.responseText, status, res] );
+ }, 13);
+ }
+ });
+ return this;
+ },
+
+ serialize: function() {
+ return jQuery.param( this );