function trim(s) 
{
	return s.replace(/^\s+|\s+$/g,'');
}

function hover(obj, state, here)
{
	if (state) {
		obj.src = obj.src.replace("-off", "-on");	
	} else if (!here) { // don't remove on state if on current page
		obj.src = obj.src.replace("-on", "-off");	
	}
}