JQuery :: Simultaneously Animating Slide From UI And Fade Out/In?

So at the moment I'm working on an Ajax powered navigation that's animated with a horizontal slide and fade. So far I've imported the Effects Core and Effect "Slide" from the jQuery UI to get the horizontal slide effect in. Here's the documentation on the specific slide technique I'm using from the jQuery UI:[URL].. You can see the work I've done so far:[URL]... As you can see, the Ajax and horizontal slide features are working properly. However, one thing I can't get to work is the horizontal and fade effect to occur at the same time. I mistakenly tried to chain the show/hide functions with the fade function, but of course it happened sequentially instead of simultaneously.

I looked up for solutions online and most point to the animation function as the solution. In this case, I can't figure out a way to work with it because the animation function seems to manipulate the CSS to get the desired effects. While I could have animate change the width of the content area along with its opacity, the width resize would squeeze the text as the content area shrinks which is undesirable for my case. This is why I'm using the Effect "Slide" in the first place, to prevent the text getting squeezed as the content area slides.

So is there anyway I can get a simultaneous fade working at the same time with the Effect "Slide", or do I have to look for other methods of horizontal sliding to get it to work with fades?