function clickMenu(a) {
	aMenu = document.getElementById(a + "Menu");
	aImage = document.getElementById(a + "Image");
	if (aMenu.style.display == "block")
	{
		aMenu.style.display = "none";
		aImage.src = "images/folderClosed.gif";
	}
	else
	{
		aMenu.style.display = "block";
		aImage.src = "images/folderOpen.gif";
	}
}