function switchMenu(id, cssClass, isShow) {

	var menu = document.getElementById('menu' + id);
	if (menu != null)
		menu.style.display = (isShow)? '': 'none';
		
	
	var menuCell = document.getElementById('menuCell' + id);
	
	if (menuCell != null) {
		menuCell.className = 'menuCell' + cssClass;
	}
	
	var menuCellBgT = document.getElementById('menuCellBgT' + id);
	var menuCellBgB = document.getElementById('menuCellBgB' + id);
	
	if (menuCellBgT != null && menuCellBgB != null) {		
		menuCellBgT.className = 'menuCellBg' + cssClass;
		menuCellBgB.className = 'menuCellBg' + cssClass;
	}
	
}

function newWindow(url) {
	open(url,'_blank','location=0,scrollbars=yes,toolbar=no,directories=no,menubar=no,status=no,resizable=yes,width=520,height=500');
}