function toggle_boat_layout(boat_name)
{
	the_ele = document.getElementById(boat_name);
	the_text_ele = document.getElementById(boat_name + '_text');
	
	if(the_ele.style.display == 'inline')
	{
		the_ele.style.display = 'none';
		the_text_ele.innerHTML = 'Show boat layout'
	} else {
		the_ele.style.display = 'inline';
		the_text_ele.innerHTML = 'Hide boat layout';
	}
	
	return false;
}