jQuery plugin that fixes erroneous behaviour of browsers that display accents on Greek small-caps. At the time of writing, the latest versions of Firefox, Chrome and Opera behave properly.

greek_small_caps.js

/*--------------------------------------------------------------
Normalised Greek small-caps 
fixes erroneous behaviour of browsers that display accents on Greek small-caps.
usage example, don't be greedy: $('dt:lang(el), h1:lang(el), h2:lang(el), h3:lang(el), a:lang(el)').greek_small_caps();
--------------------------------------------------------------*/
(function($) {
if (!jQuery().greek_small_caps) {
		$.fn.greek_small_caps = function() {
			String.prototype.replaceArray = function(search, replace) {
				var text = this;
				for (var i = 0; i < search.length; i++) {
					text = text.replace(search[i], replace[i]);
				}
				return text;
			};
			var text_search = ['άι', 'έι', 'όι', 'ύι', 'άυ', 'έυ', 'ήυ', 'όυ', 'ά', 'έ', 'ή', 'ί', 'ΐ', 'ό', 'ύ', 'ΰ', 'ώ'];
			var text_replace = ['αϊ', 'εϊ', 'οϊ', 'υϊ', 'αϊ', 'εϋ', 'ηϋ', 'οϋ', 'α', 'ε', 'η', 'ι', 'ϊ', 'ο', 'υ', 'ϋ', 'ω'];

			this.each(function() {
				if ($(this).css('text-transform') == 'uppercase' || $(this).css('fontVariant') == 'small-caps') {
					var text = $(this).text();
					text = text.replaceArray(text_search, text_replace);
					$(this).text(text);
				}
			});
		};
	}
})(jQuery);