var initMyGroupsMenu = function(el) {
	var a = $('header_mygroups_link');
	if(a) {
		a.observe('click', toggleMyGroupsMenu);
	}
	document.observe('click', hideMyGroupsMenu);
}

var toggleMyGroupsMenu = function(ev) {
	var b = $('header_mygroups_dd');
	if (b) {
		if (b.visible()) {
			b.hide();
		} else {
			b.show();
		}
		ev.stop();
	}
}
var showMyGroupsMenu = function(ev) {
	var b = $('header_mygroups_dd');
	if (b) {
		b.show();
	}
}
var hideMyGroupsMenu = function(ev) {
	var b = $('header_mygroups_dd');
	if (b) {
		b.hide();
	}
}

document.observe("dom:loaded", initMyGroupsMenu);