function HttpRequest(url) {
	if (window.XMLHttpRequest)
		request = new XMLHttpRequest();
	else if (window.ActiveXObject)
		request = new ActiveXObject("Msxml2.XMLHTTP");
	request.open("GET",url);
	request.send("");
}

function ToggleMenu(menuname) {
	var menu = document.getElementById('menu_' + menuname);
	if (menu.style.display == 'none') {
		document.getElementById('bullet_' + menuname).src='/library/?image=Site/bullet-selected.gif';
		menu.style.display = 'block';
	}
	else {
		document.getElementById('bullet_' + menuname).src='/library/?image=Site/bullet-normal.gif';
		menu.style.display = 'none';	
	}
}