var obj_sub_anterior;
var obj_bt_anterior;

function mostraSub(qual){
	var obj_botao = document.getElementById('bt_'+qual);
	var obj_sub = document.getElementById('sub_'+qual);
	obj_botao.style.color='#FFFFFF';
	obj_sub.style.display='block';
	obj_sub.style.left = ''+pegaXpos('#bt_'+qual)+'px';

	if (obj_sub_anterior && obj_sub_anterior != obj_sub){
		obj_sub_anterior.style.display='none';
	}
	if (obj_bt_anterior && obj_bt_anterior != obj_botao){
		obj_bt_anterior.style.color='#FFFFFF';
	}

	obj_sub_anterior = document.getElementById('sub_'+qual);
	obj_bt_anterior = document.getElementById('bt_'+qual);
}


function someSub(e) {
	if (!e) var e = window.event;
	var tg = (window.event) ? e.srcElement : e.target;
	if (tg.nodeName != 'DIV') return;
	var reltg = (e.relatedTarget) ? e.relatedTarget : e.toElement;
	while (reltg != tg && reltg.nodeName != 'BODY')
		reltg= reltg.parentNode
	if (reltg== tg) return;
	// Mouseout took place when mouse actually left layer
	// Handle event
	obj_sub_anterior.style.display='none';
	obj_bt_anterior.style.color='#FFFFFF';
}

function pegaXpos(obj) {
	var p = $(obj);
	var xpos = p.position();
    return xpos.left;
}