jQuery $.ajaxSend() settings.data is null

// If data is available, append data to url for get requests
	if ( s.data && type == "GET" ) {
		s.url += (s.url.match(/?/) ? "&" : "?") + s.data;

		// IE likes to send both get and post data, prevent this
		s.data = null;
	}

$.post({
      url: "http://yourserver/ajax" ,
      data: {param1: 'val1', param2:'val2'}
 });

var data = {param1: 'val1', param2:'val2'};
 $.get({
      url: "http://yourserver/ajax" ,
      data: data,
      dataCopy: data
 });