import java.io.IOException;
 
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
public class AjaxCacheFilter implements Filter{
 
	@Override
	public void destroy() {
	}
 
	@Override
	public void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException {
		if ("XMLHttpRequest".equals(((HttpServletRequest) request).getHeader("x-requested-with"))) {
			((HttpServletResponse)response).setDateHeader("Expires", 0);
			((HttpServletResponse)response).addHeader("Cache-Control", "no-cache");
			((HttpServletResponse)response).addHeader("Pragma", "No-Cache");
 
		}
		chain.doFilter(request, response);
	}
 
	@Override
	public void init(FilterConfig arg0) throws ServletException {
	}
}

<filter>
	<filter-name>ajaxCache</filter-name>
	<filter-class>
		com.yoursite.web.filters.AjaxCacheFilter
	</filter-class>
</filter>
<filter-mapping>
	<filter-name>ajaxCache</filter-name>
	<url-pattern>/*</url-pattern>
 	<dispatcher>FORWARD</dispatcher>
		<dispatcher>REQUEST</dispatcher>
</filter-mapping>

	jQuery.fn.log = function (msg) {
		console.log("%s: %o", msg, this);
		return this;
	};

(function($) {
    $.fn.myplugin = function(){
        //Stuff here...
    };
})(jQuery);

(function($){
	/**
	** Seperate object. So each element applied with this plugin has an object structure
	**/
	function PluginObject(container,options){
		//I like to keep a reference to the object I'm working on
		var holder = container;
		//Store 'this' as an instance variable. This comes in handy when you want to speak to it as a reference in clickhandlers etc.
		var _self = this;
		this.init = function()
		{
			//initialize UI and data here
		}
 
		this.test = function()
		{
			//This function serves as a demo method that can be called from outside
		}
		this.render = function()
		{
			// Do complicated rendering here
 
			// Trigger the onRender that could be set through the options
			this.trigger('onRender');
		}
		this.init();
	}
	$.fn.myplugin = function(action,options){
		/**
		** 'action' can be an argument for a function to call
		** If no action is defined, and we just start with the options, initialize is called
		**/
		if (typeof(action) == 'object') {
			options = action;
			action = 'initialize';
		}else if(action == undefined)
		{
			action = 'initialize';
		}
		if(options == undefined)
		{
			options = {};
		}
		/**
		** Set, or update the options
		**/
		function setOptions(el) {
			// If any of the options is a function, bind that as an event
			// this can be something like: 'onRender'
			$.each(options, function(event, fn) {
				if (typeof(fn) == 'function') {
					//Unbind the event if it was already bound
					el.unbind(event);
					//Bind the event with the given function
					el.bind(event, fn);
				}
			});
			//Extend the options with the defaults, and the options already saved in the object
			options = $.extend({}, defaults, el.data('shelf.options'), options);
			// Save the options in the object's data
			el.data('shelf.options', options);
		};
		// Default options
		var defaults = {
			width: 	'900px',
			title: 'Cool Stuff'
		};
		/**
		** This is called everytime we do $(..).myplugin(..)
		**/
		return this.each(function(el){
			el = $(this);
			setOptions(el);
			if(action == 'initialize' || el.data('shelf') == undefined){
				// Initialize the object, save it in itself
				el.data('shelf', new PluginObject(el, options));
			}
			// if called like $(..).myplugin('test'), this is called
			if(action == 'test')
				el.data('shelf').test();
			// This will call render(), render will also trigger 'onRender'
			if(action == 'render')
				el.data('shelf').render();
		});
 
	};
})(jQuery);

<input type="radio" name="animals" value="Dog" />
<input type="radio" name="animals" value="Cat" />
<input type="radio" name="animals" value="Bird" />

$('input[name=animals]:checked').val()

$("#tabs").tabs({selected: 1});