var _$ = function(id,par){if(!id)return null;if(typeof id=="object")return id;return par ? eval("document.getElementById('"+par+"')."+id) : document.getElementById(id)};

function findChild(o){
	var o = _$(o), f = o.firstChild, l = o.lastChild, p = o.previousSibling, n = o.nextSibling;
	while(f!=null&&f.nodeType!=1){f = f.nextSibling}
	while(l!=null&&l.nodeType!=1){l = l.previousSibling}
	while(p!=null&&p.nodeType!=1){p = p.previousSibling}
	while(n!=null&&n.nodeType!=1){n = n.nextSibling};
	return{"f":f, "l":l, "p":p, "n":n}
}