How to send array of a msg type in a service call over rosbridge? [closed]

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Hi all, I am trying to send an array of Points(x, y) of a mouse click on a canvas of image from a webbrowser to a ROS service. I am using rosbridge to communicate from a web interface to the ros-node. However I have no clue of how to send an array of the message type in my request call of Javascript. For a single click my code in javascript looks like this.

var request = new ROSLIB.ServiceRequest({
            click:{'x' : x , 'y' :y},
            });

However I want to enable multiple clicks and store it in a array/vector and send that in the request.

Note that: I have no fixed number of clicks in my interface. I want user to be able to click as many clicks as possible and then request for a service.

My system details: Ubuntu 12.04, ROS-groovy

Any comments or pointers would be helpful.

Thanks. Karthik