/* --- Scroller --- */

function upbutton_over() {
	if (scroll_started == false) {
		el = document.getElementById("Scroller");
		scroller = new Scrolling.Scroller(el, 500, 200);
		scroll_started = true;
	}
	scroller.startScroll(0, -5);
	
	up = document.getElementById("Up");
	up.src="images/b_up_s.gif";
}

function upbutton_out() {
	scroller.stopScroll();
	up = document.getElementById("Up");
	up.src="images/b_up.gif";
}

function downbutton_over() {
	if (scroll_started == false) {
		el = document.getElementById("Scroller");
		scroller = new Scrolling.Scroller(el, 400, 200);
		scroll_started = true;
	}
	scroller.startScroll(0, 5);
	
	down = document.getElementById("Down");
	down.src="images/b_down_s.gif";
}

function downbutton_out() {
	scroller.stopScroll();
	down = document.getElementById("Down");
	down.src="images/b_down.gif";
}