MediaWiki:Gadget-ShowAvatar.js

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var img = $('<img>').attr('src', mw.config.get('wgScriptPath') + '/extensions/Avatar/avatar.php?user=' + mw.user.id());
var link = $('<a>').attr('href', mw.util.getUrl('Special:UploadAvatar')).append(img);
$('#pt-userpage').before($('<li id="pt-avatar"></li>').append(link));
$('.mw-ui-icon-wikimedia-userAvatar').style("background-image:'mw.config.get('wgScriptPath') + '/extensions/Avatar/avatar.php?user=' + mw.user.id()'")