var delay = 5000;
var start_frame = 0;

function init() {
	var lis = $('home_graphic').getElementsByTagName('div');
	
	for( i=0; i < lis.length; i++){
	   lis[i].style.visibility = 'visible';
		if(i!=0){
			lis[i].style.display = 'none';
		}
	}
	end_frame = lis.length -1;
	
	start_slideshow(start_frame, end_frame, delay, lis);
	
	
}

function start_slideshow(start_frame, end_frame, delay, lis) {
	setTimeout(fadeInOut(start_frame,start_frame,end_frame, delay, lis), delay);
}

function fadeInOut(frame, start_frame, end_frame, delay, lis) {
	return (function() {
		lis = $('home_graphic').getElementsByTagName('div');
		var lisN = $('home_thumbs').getElementsByTagName('div');
		Effect.Fade(lis[frame]);
		if (frame == end_frame) { frame = start_frame; } else { frame++; }
		lisAppear = lis[frame];
		setTimeout("Effect.Appear(lisAppear);", 0);
		$$(".current").each(function(elmt) { elmt.removeClassName("current") });
		lisN[frame].addClassName('current');
		setTimeout(fadeInOut(frame, start_frame, end_frame, delay), delay + 5000);
	})	
}

function switchFrame(frame, start_frame, end_frame, delay){
	lis = $('home_graphic').getElementsByTagName('div');
	fadeInOut(frame, start_frame, end_frame, delay, lis);
}

Event.observe(window, 'load', init, false);


var curIndex = 0;
var numslides;

function switch_slide(indx) {
	var links = $$('.home_graphic');
	curIndex = indx;
	$$('.slide_item').invoke('hide');
	$$('.slide_item')[indx].show();
	$$('.slide_link').invoke('removeClassName', 'slide_link_selected')
	$$('.slide_link')[indx].addClassName('slide_link_selected');
	//$('main_frame').onclick = $$('.slide_item')[indx].onclick;
}

function select_slide(link) {
	var indx = $$('.slide_link').indexOf($(link));
	switch_slide(indx);
}

function rotate_slide() {
	switch_slide(curIndex);
	curIndex++;
	if(curIndex == numslides)
		curIndex = 0;
	setTimeout('rotate_slide()', 4000);

}
Event.observe(window, 'load', function() {
	numslides = $$('.slide_item').size();
	rotate_slide(0);
});