var maxMenus = 6;
function menuActive(menu) {
	collapseAll();
	var m = document.getElementById(menu);
	m.style.color = '#FFFFFF'; 
	m.style.backgroundColor = '#003399'; 
	m.style.borderColor = '#c0c0c0';
}
function menuPassive(menu) {
	var m = document.getElementById(menu);
	m.style.color = '#656277'; 
	m.style.backgroundColor = '#FFFFFF'; 
	m.style.borderColor = '#FFFFFF';
}
function expand(menu, subMenu) {
	var m = document.getElementById(menu);
	var sm = document.getElementById(subMenu);
	var tc = document.getElementById('topCell');
	var td = document.getElementById('topDiv');
	var md = document.getElementById('mainDiv');
	
	menuActive(menu);
//	sm.style.top = m.offsetTop + 16 + 14;
	sm.style.left = m.offsetLeft + tc.offsetLeft + td.offsetLeft +1;
	sm.style.top = md.offsetTop - 10;
	sm.style.visibility = "visible";
	menuClearTimeout();
}
function collapse(menu, subMenu) {
	var sm;
	if (sm = document.getElementById(subMenu)){
		sm.style.visibility = "hidden";
		menuPassive(menu);
		menuClearTimeout();
	//	menuTimer = null;
	}
}
function collapseAll() {
	for(var n=1; n<=maxMenus; n++){
		collapse('menu'+n+'', 'subMenu'+n+'');
	}
}
var menuTimer = null;
function menuStartTimeout(){
	menuTimer = window.setTimeout("collapseAll()", 500);
}
function menuClearTimeout(){
	if (menuTimer) clearTimeout(menuTimer);
	menuTimer = null;
}