if (!document.getElementById)
    document.getElementById = function() { return null; }
function initializeMenu(menuId, actuatorId,nums) {
    var menu = document.getElementById(menuId);
    var actuator = document.getElementById(actuatorId);
    if (menu == null || actuator == null) return;
    actuator.onclick = function() {
        var display = menu.style.display;
        menu.style.display = (display == "block") ? "none" : "block";
		if(display=="none")
			document.getElementById(actuatorId).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className='selectspan2';
		else
			document.getElementById(actuatorId).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className='selectspan1';
		if(display=="block")
			document.getElementById(actuatorId).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className='selectspan1';
		else
			document.getElementById(actuatorId).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className='selectspan2';

        return false;
    }
}