Sending parameters to server side using javascript

Question

function check(username,password)
{
username=click.textbox27744280295.text;
password=click.textbox27744280297.text;
 var request = new kony.net.HttpRequest();
request.onReadyStateChange = function() {
    if(this.readyState == this.DONE)
      returnStatus(this.status);
  }
request.open(constants.HTTP_METHOD_GET, "http://10.54.3.208:8080/Agero/person");
request.send();
}
Using this code can able to hiting the server,I want to send some parameters from client side to server side how?