See this : http://jsfiddle.net/qzjaQ/1/
$(function() {
$("#tabs-left").tabs({
show: {
opacity:'toggle',
duration:'normal'
}
});
// getter
var show = $(".selector").tabs("option", "show");
// setter
$(".selector").tabs("option", "show", {
opacity:'toggle',
duration: 'normal'
});
});
See here for explanations..
solved JQuery tabs opacity transition [closed]