+ safeGet: function ( params, callback )
+ {
+ var encodedParams = this.encodeParams(params);
+ var url = this._urlAppendParams(encodedParams);
+ if (url.length >= this.maxUrlLength) {
+ this.requestHeaders["Content-Type"]
+ = "application/x-www-form-urlencoded";
+ this._send( 'POST', this.url, encodedParams, callback );
+ } else {
+ this._send( 'GET', url, '', callback );
+ }
+ },