var slide_show = null;
var slide_start = null;
var slide_end = null;
var slide_to_show = null;
var slide_hide = null;


function start_slideshow(start_frame, end_frame, delay, slideshow_name) {
	slide_end = end_frame;
	slide_start = start_frame;
	slide_show = start_frame;
	slide_name = slideshow_name;
//	setTimeout(switch_slides(), delay);
}                  
   
function next_slide(){
	slide_hide = slide_show;
	slide_show++;
	switch_slides();
}
function prev_slide(){
	slide_hide = slide_show;
	slide_show--;
	switch_slides();
}

function switch_slides() {
	if( slide_show > slide_end ){ slide_show = slide_start; }else if( slide_show < slide_start ){ slide_show = slide_end; }
	Effect.Fade(slide_name + slide_hide);
	setTimeout("Effect.Appear('" + slide_name + slide_show + "');", 1);
}