GetPictures from google filter supports based on color

getPictures.js

/************************
     function getPictures: returns image from query
     filter: 0 no filter, 1 for grayscale and subsequent for
      color from color index
     isFlickr: true if only flickr photos
     callback: function to call after load is complets
            function(image,results){
                image is image object of first image 
                results are the array of images
            }
    *************************/
    function getPictures(text, filter,isFlickr,callback) {
            var colors = [
                GimageSearch.COLOR_RED,
                GimageSearch.COLOR_ORANGE,
                GimageSearch.COLOR_YELLOW,
                GimageSearch.COLOR_GREEN,
                GimageSearch.COLOR_TEAL,
                GimageSearch.COLOR_BLUE,
                GimageSearch.COLOR_PURPLE,
                GimageSearch.COLOR_PINK,
                GimageSearch.COLOR_WHITE,
                GimageSearch.COLOR_GRAY,
                GimageSearch.COLOR_BLACK,
                GimageSearch.COLOR_BROWN
              ];
            function searchComplete(data) {
                if (data.results.length < 1) {
                    return;
                }
                var newImg = new Image();
                newImg.src = data.results[0].url;
                function afterLoad() {
                    if(typeof(callback)==='function'){
                             callback(newImg,data.results);
                    }
                }
                $(newImg).load(afterLoad);
            }
            var imageSearch = new google.search.ImageSearch();
            imageSearch.setRestriction(google.search.ImageSearch.RESTRICT_IMAGESIZE, google.search.ImageSearch.IMAGESIZE_MEDIUM);
            if (filter > 0) {
                if (filter == 1) {
                    imageSearch.setRestriction(google.search.ImageSearch.RESTRICT_COLORIZATION, google.search.ImageSearch.COLORIZATION_GRAYSCALE);
                } else if ((filter + 2) < colors.length) {
                    imageSearch.setRestriction(GimageSearch.RESTRICT_COLORFILTER, colors[filter - 2]);
                }
            }
            imageSearch.setSearchCompleteCallback(this, searchComplete, [imageSearch]);
            if (isFlickr) {
                imageSearch.setSiteRestriction('flickr.com');
            }
            imageSearch.execute(text);
        }