function r_left(id_container)
{
	var _container = document.getElementById(id_container);
	
	if(parseInt(_container.style.left) == 0){return;}
	
	var _nodes = 0;
	
	for(x =0; x < _container.childNodes.length; x++)
	{
		if(_container.childNodes[x].nodeName != '#text')
		{
			_nodes++;
		}
	}
	
	_container.style.left = (parseInt(_container.style.left) + 124) + 'px';
}

function r_right(id_container)
{
	var _container = document.getElementById(id_container);
	
	var _nodes = 0;
	
	for(x =0; x < _container.childNodes.length; x++)
	{
		if(_container.childNodes[x].nodeName != '#text')
		{
			_nodes++;
		}
	}
	
	if(Math.abs(parseInt(_container.style.left)) >= ((_nodes-2)*124)){return;}
	
	_container.style.left = (parseInt(_container.style.left) - 124) + 'px';
}