function setSelected(toSelect) {
	if(toSelect > item_count){
		toSelect = 1;
	}
	if(toSelect < 1){
		toSelect = item_count;
	}
	if (toSelect != curr_selected) {
		$("scroll_" + curr_selected).fade(fade_Level)
		$("scroll_" + toSelect).fade(1)
		$("detail_" + curr_selected).style.display = "none"
		$("detail_" + toSelect).style.display = "block";
		curr_selected = toSelect;
	}
	return false;
}

function initFadeOut(toFade) {
	if (toFade != 1) {
	$("scroll_" + toFade).fade(fade_Level);
	}
}

function initScroller(obj_id){
	$(obj_id).style.width = item_size * item_count + 'px';
	scrollerFX = new Fx.Tween( obj_id, {
		property: 'margin-left',
		duration: tween_duration, 
		transition: Fx.Transitions.Quart.easeInOut
	});
}

function moveLeft(){
	if(curr_left > 1 && !tweening){
		tweening = true;
		curr_left -=1;
		curr_margin += item_size;
		scrollerFX.start(curr_margin).chain(function(){tweening=false;});
	}
	return false;
}

function moveRight(){
	if((curr_left-1)+max_show < item_count && !tweening){
		tweening = true;
		curr_left +=1;
		curr_margin -= item_size;
		scrollerFX.start(curr_margin).chain(function(){tweening=false;});
	}
	return false;
}