function scroll_left() {
	var sliderObject = document.getElementById('scrolling_box_slider');
	document.getElementById('left_btn_container').style.display = 'inline';
	document.getElementById('left_btn_holder').style.display = 'none';
	if (interval < 60) {
		interval = interval  * 2;
		if (interval == 64) interval = 63;
		current_scroll_pos = current_scroll_pos - interval ;
		sliderObject.style.left = current_scroll_pos + "px";		
		window.setTimeout('scroll_left()',5);
	} else { 
		interval = 1;
		if (current_scroll_pos == scroll_max_left) {
			document.getElementById('right_btn_container').style.display = 'none';
			document.getElementById('right_btn_holder').style.display = 'inline';
		}
	}
return;
}

function scroll_right() {
	var sliderObject = document.getElementById('scrolling_box_slider');
	document.getElementById('right_btn_container').style.display = 'inline';
	document.getElementById('right_btn_holder').style.display = 'none';
	if (interval < 60) {
		interval = interval  * 2;
		if (interval == 64) interval = 63;
		current_scroll_pos = current_scroll_pos + interval ;
		sliderObject.style.left = current_scroll_pos + "px";		
		window.setTimeout('scroll_right()',5);
	} else { 
		interval = 1;
		if (current_scroll_pos == scroll_max_right) {
			document.getElementById('left_btn_container').style.display = 'none';
			document.getElementById('left_btn_holder').style.display = 'inline';
		}
	}
return;
}