Simple Remoting Wrapper

remotingWrapper.js

var server = {
      remoteActions : {
          'search' : '{!$RemoteAction.PreChatFormController.searchRecord}'
      },
      config : {
            buffer:  false
          , escape:  false
          , timeout: 120000
      },
      invoke : function(method,parameters,callback) {
          this.connection_strategy(method,parameters,callback);
      },
      connection_strategy : function(remoteMethod,parameters,callback) {
          try {
              Visualforce.remoting.Manager.invokeAction(
                    this.remoteActions[remoteMethod]
                  , parameters
                  , callback
                  , this.config
              );  
          } catch(exp){
              throw exp;
          }
      }
  };