function applyHandler(o, e, f) 
{ 	e = (e instanceof Array) ? (arguments.callee(o, e[1], f), e[0]) : e; 
	return (o.attachEvent) ? o.attachEvent(e, f) : (o.addEventListener) ? o.addEventListener(e.substr(2), f, false) : false; 
} 

function initScroller() 
{ 
	var t = document.getElementById('control'), s = document.getElementById('scroller'); 
	t.back_control = t.getElementsByTagName('span')[0]; 
	//t.back_control = t.getElementsById('scroll_left');
	(t.scroll_obj = s).scroll_position = s.scroll_active = 0; 
	s.scroll_range = s.offsetWidth - s.parentNode.offsetWidth; 
	return applyHandler(t, ['onmouseover', 'onmouseout'], scrollControl); 
} 

function scrollControl(e) 
{ 
	var el = (e = e || event).target || e.srcElement, t = el.tagName.toLowerCase(), p, b; 
		if(t == 'span') 
		{ 	p = el.parentNode.scroll_obj; 
			return (p.scroll_active = !p.scroll_active) ? (b = (el == el.parentNode.back_control), scrollProcess(p, b)) : false; 
		} else return false; 
} 

function scrollProcess(o, b) 
{ 

	var p = o.scroll_position; 
	o.scroll_position = (!b && p > -o.scroll_range) ? p - 5 : (b && p < 0) ? p + 5 : (o.scroll_active = 0, b) ? 0 : p; 
	o.style.left = o.scroll_position + 'px';
	
	return (o.scroll_active) ? window.setTimeout(function() 
														  
	{ 
		return scrollProcess(o, b); 
	}, 10) : false; 

} 

applyHandler(window, 'onload', initScroller);