function showBox(e) {
	var e = e.target?e.target:window.event.srcElement;
	var targetTop = e.offsetTop + e.offsetParent.offsetTop + e.offsetParent.offsetParent.offsetTop + 10;
	var elid = 'mb'+ e.innerHTML.toLowerCase().replace(' ','');
	var els = ['mbperfil','mbsobremim','mbrecomendo','mbencontros','mblinks','mbarquivos','mbimagens'];

	for (var i=0;i<els.length;i++) {
		if (els[i] == elid) {
			var s = document.getElementById(elid).style;
			s.display = s.display=='block'?'none':'block';
			s.top = targetTop + 'px';
		}
		else
			document.getElementById(els[i]).style.display = 'none';
	}
}