Need help with automatic slideshow

Question

I made an automatic slideshow that switches frames at a set
interval but now i want to load each frame from an extrenal swf and
add a preloader for each frame, how do i tell the slideshow to wait
until the frame is loaded before it proceeds to the next frame, but
still have the movieclip be automatic. Also the slideshow can be
controlled mannually so i also want to know how to disable the
manual control till each frame is loaded.

Answer 1

Here is some of the action script for the slideshow.
This first bit sets up the automatic interval transitions in
the main movie timeline
function nextImage()
mc_slide.mc_transition.play();
} // End of the function
function waitImage()
clearInterval(slideTimer);
var slideTimer = setInterval(nextImage, timer * 1000);
nextImage();
} // End of the function
function pauseSlide()
mc_slide.mc_quicktransition.gotoAndPlay(2);
} // End of the function
var timer = 8;
var pauseTime = 20;
var slideTimer = setInterval(nextImage, timer * 2000);
stop ();
the movieclip loaders that load each movie clip are embedded
with the transition animation.
this is the code in the embedded mc-it loads the 1st movie
clip and allows the user to manually jump to any of the other movie
clips.
emptyMC.loadMovie("frame1.swf");
var pageAddress = "about:blank";
btn1.onRelease = function ()
_parent.pauseSlide();
gotoAndStop(1);
btn2.onRelease = function ()
_parent.pauseSlide();
gotoAndStop(2);
btn3.onRelease = function ()
_parent.pauseSlide();
gotoAndStop(3);
btn4.onRelease = function ()
_parent.pauseSlide();
gotoAndStop(4);
stop();
I need to know how to put the code for the automation of the
slideshow pause until each movieclip has finished loading and also
at the same time disable the manual control of the movie clips
before they are fully loaded.