Modifications

wsl.loadScript("http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js");

//wsl.loadScript("http://tera.wiki.jeuxonline.info/index.php?title=MediaWiki:Jquery-ui.min.js&action=raw&ctype=text/javascript");

$(function() {

var $tabs = $("#portal_slider").tabs({ fx: {opacity:'toggle', duration:100} } );