$(document).ready(function() {
	$('#navigation-investors').hide();
	$('#navigation-about').hide();
	$('#navigation-operations').hide();
	Cufon.replace('.board-headings, .small-head, .info-headings, .right-dashed-headings, .left-dashed-headings, .aim-green-block, a.dropdown, .underlined-heading', {fontFamily: 'Helvetica Neue'});
});

function switchMenuOn(id) {
	switchMenuOff();
	$('#navigation-'+id).show();
}

function switchMenuOff() {
	$('#navigation-investors').hide();
	$('#navigation-about').hide();
	$('#navigation-operations').hide();
}

jQuery.fn.openMenu = function(id) {
    var box = document.getElementById('menu'+id);
	if(box.style.display == "none") {
		$('#menu'+id).show();
		$(this[0]).removeClass('dropdown');
		$(this[0]).addClass('dropdown-on');
	} else if(box.style.display == "block") {
		$('#menu'+id).hide();
		$(this[0]).removeClass('dropdown-on');
		$(this[0]).addClass('dropdown');
	} else {
		$('#menu'+id).hide();
		$(this[0]).removeClass('dropdown-on');
		$(this[0]).addClass('dropdown');
	}
};