function expColl(obj, lala) {
	var a=document.getElementById(obj).style;
	ehh=lala;
	if (a.display=='none') {
		a.display='block';
	} else {
		a.display='none';
	}
}
function expSubmenu(obj, lala) {
	var a=document.getElementById(obj).style;
	ehh=lala;
	if (a.display=='none') {
		a.display='block';
	} else {
		a.display='none';
	}
}