if (window.jQuery) 
    (function($){
    
        $.rating = {
            cancel: 'Cancel Rating', // advisory title for the 'cancel' link
            cancelValue: '', // value to submit when user click the 'cancel' link
            split: 0, // split the star into how many parts?
            // Width of star image in case the plugin can't work it out. This can happen if
            // the jQuery.dimensions plugin is not available OR the image is hidden at installation
            starWidth: 16,
            
            //NB.: These don't need to be defined (can be undefined/null) so let's save some code!
            //half:     false,         // just a shortcut to settings.split = 2
            //required: false,         // disables the 'cancel' button so user can only select one of the specified values
            //readOnly: false,         // disable rating plugin interaction/ values cannot be changed
            //focus:    function(){},  // executed when stars are focused
            //blur:     function(){},  // executed when stars are focused
            //callback: function(){},  // executed when a star is clicked
            
            // required properties:
            groups: {},// allows multiple star ratings on one page
            event: {// plugin event handlers
                fill: function(n, el, settings, state){ // fill to the current mouse position.
                    //if(window.console) console.log(['fill', $(el), $(el).prevAll('.star_group_'+n), arguments]);
                    this.drain(n);
                    $(el).prevAll('.star_group_' + n).andSelf().addClass('star_' + (state || 'hover'));
                    // focus handler, as requested by focusdigital.co.uk
                    var lnk = $(el).children('a');
                    val = lnk.text();
                    if (settings.focus) 
                        settings.focus.apply($.rating.groups[n].valueElem[0], [val, lnk[0]]);
                },
                drain: function(n, el, settings){ // drain all the stars.
                    //if(window.console) console.log(['drain', $(el), $(el).prevAll('.star_group_'+n), arguments]);
                    $.rating.groups[n].valueElem.siblings('.star_group_' + n).removeClass('star_on').removeClass('star_hover');
                },
                reset: function(n, el, settings){ // Reset the stars to the default index.
                    if (!$($.rating.groups[n].current).is('.cancel')) 
                        $($.rating.groups[n].current).prevAll('.star_group_' + n).andSelf().addClass('star_on');
                    // blur handler, as requested by focusdigital.co.uk
                    var lnk = $(el).children('a');
                    val = lnk.text();
                    if (settings.blur) 
                        settings.blur.apply($.rating.groups[n].valueElem[0], [val, lnk[0]]);
                },
                click: function(n, el, settings){ // Selected a star or cancelled
                    $.rating.groups[n].current = el;
                    var lnk = $(el).children('a');
                    val = lnk.text();
                    // Set value
                    $.rating.groups[n].valueElem.val(val);
                    // Update display
                    $.rating.event.drain(n, el, settings);
                    $.rating.event.reset(n, el, settings);
                    // click callback, as requested here: http://plugins.jquery.com/node/1655
                    if (settings.callback) 
                        settings.callback.apply($.rating.groups[n].valueElem[0], [val, lnk[0]]);
                }
            }// plugin events
        };
        
        $.fn.rating = function(instanceSettings){
            if (this.length == 0) 
                return this; // quick fail
            instanceSettings = $.extend({}/* new object */, $.rating/* global settings */, instanceSettings ||
            {} /* just-in-time settings */);
            
            // loop through each matched element
            this.each(function(i){
            
                var settings = $.extend({}/* new object */, instanceSettings ||
                {} /* current call settings */, ($.metadata ? $(this).metadata() : ($.meta ? $(this).data() : null)) ||
                {} /* metadata settings */);
                
                ////if(window.console) console.log([this.name, settings.half, settings.split], '#');
                
                // Generate internal control ID
                // - ignore square brackets in element names
                var n = (this.name || 'unnamed-rating').replace(/\[|\]/, "_");
                
                // Grouping
                if (!$.rating.groups[n]) 
                    $.rating.groups[n] = {
                        count: 0
                    };
                i = $.rating.groups[n].count;
                $.rating.groups[n].count++;
                
                // Accept readOnly setting from 'disabled' property
                $.rating.groups[n].readOnly = $.rating.groups[n].readOnly || settings.readOnly || $(this).attr('disabled');
                
                // Things to do with the first element...
                if (i == 0) {
                    // Create value element (disabled if readOnly)
                    $.rating.groups[n].valueElem = $('<input type="hidden" name="' + n + '" value=""' + (settings.readOnly ? ' disabled="disabled"' : '') + '/>');
                    // Insert value element into form
                    $(this).before($.rating.groups[n].valueElem);
                    
                    if ($.rating.groups[n].readOnly || settings.required) {
                    // DO NOT display 'cancel' button
                    }
                    else {
                        // Display 'cancel' button
                        $(this).before($('<div class="cancel"><a title="' + settings.cancel + '">' + settings.cancelValue + '</a></div>').mouseover(function(){
                            $.rating.event.drain(n, this, settings);
                            $(this).addClass('star_on');
                        }).mouseout(function(){
                            $.rating.event.reset(n, this, settings);
                            $(this).removeClass('star_on');
                        }).click(function(){
                            $.rating.event.click(n, this, settings);
                        }));
                    }
                }; // if (i == 0) (first element)
                // insert rating option right after preview element
                eStar = $('<div class="star"><a title="' + (this.title || this.value) + '">' + this.value + '</a></div>');
                $(this).after(eStar);
                
                // Half-stars?
                if (settings.half) 
                    settings.split = 2;
                
                // Prepare division settings
                if (typeof settings.split == 'number' && settings.split > 0) {
                    var stw = ($.fn.width ? $(eStar).width() : 0) || settings.starWidth;
                    var spi = (i % settings.split), spw = Math.floor(stw / settings.split);
                    $(eStar) // restrict star's width and hide overflow (already in CSS)
.width(spw) // move the star left by using a negative margin
                // this is work-around to IE's stupid box model (position:relative doesn't work)
                    .find('a').css({
                        'margin-left': '-' + (spi * spw) + 'px'
                    })
                };
                
                // Remember group name so controls within the same container don't get mixed up
                $(eStar).addClass('star_group_' + n);
                
                // readOnly?
                if ($.rating.groups[n].readOnly)//{ //save a byte!
                    // Mark star as readOnly so user can customize display
                    $(eStar).addClass('star_readonly');
                //}  //save a byte!
                else//{ //save a byte!
                     $(eStar) // Enable hover css effects
.addClass('star_live') // Attach mouse events
.mouseover(function(){
                        $.rating.event.drain(n, this, settings);
                        $.rating.event.fill(n, this, settings, 'hover');
                    }).mouseout(function(){
                        $.rating.event.drain(n, this, settings);
                        $.rating.event.reset(n, this, settings);
                    }).click(function(){
                        $.rating.event.click(n, this, settings);
                    });
                //}; //save a byte!
                
                ////if(window.console) console.log(['###', n, this.checked, $.rating.groups[n].initial]);
                if (this.checked) 
                    $.rating.groups[n].current = eStar;
                
                //remove this checkbox
                $(this).remove();
                
                // reset display if last element
                if (i + 1 == this.length) 
                    $.rating.event.reset(n, this, settings);
                
            }); // each element
            // initialize groups...
            for (n in $.rating.groups)//{ not needed, save a byte!
                 (function(c, v, n){
                    if (!c) 
                        return;
                    $.rating.event.fill(n, c, instanceSettings ||
                    {}, 'on');
                    $(v).val($(c).children('a').text());
                })($.rating.groups[n].current, $.rating.groups[n].valueElem, n);
            //}; not needed, save a byte!
            
            return this; // don't break the chain...
        };
        
        $(function(){
            $('input[@type=radio].star').rating();
        });
        
        
        
        
    })(jQuery);