/*
* jQuery.gdocViewer - Embed linked documents using Google Docs Viewer
* Licensed under MIT license.
* Date: 2011/01/16
*
* @author Jawish Hameed
* @version 1.0
*/
(function ($) {
    $.fn.gdocsViewer = function (options) {

        var settings = {
            width: '600',
            height: '700'
        };

        if (options) {
            $.extend(settings, options);
        }

        return this.each(function () {
            var file = $(this).attr('href');
            var ext = file.substring(file.lastIndexOf('.') + 1);

            if (/^(tiff|pdf|ppt|pps|doc|docx)$/.test(ext)) {
                $(this).after(function () {
                    var id = $(this).attr('id');
                    var gdvId = (typeof id !== 'undefined' && id !== false) ? id + '-gdocsviewer' : '';
                    return '<div id="' + gdvId + '" class="gdocsviewer"><iframe src="http://docs.google.com/viewer?embedded=true&toolbar=hide&url=' + encodeURIComponent(file) + '" width="' + settings.width + '" height="' + settings.height + '" style="border: none;"></iframe></div>';
                })
            }
        });
    };
})(jQuery);