function menu_onClick(obj)
{
	switchSubMenu(obj);
	switchMenuIcon(obj);
}

function switchSubMenu(obj)
{
	objSubMenu = null;
	for (i = 0; i < obj.childNodes.length; i++)
	{
		if (obj.childNodes[i].className == "subMenu")
		{
			objSubMenu = obj.childNodes[i];
			break;
		}
	}
	
	if ( objSubMenu == null ) return;
	
	if ( objSubMenu.style.display != "block" )
			objSubMenu.style.display = "block";
	else
			objSubMenu.style.display = "none";
}

function switchMenuIcon(obj)
{
	objMenuIcon = null;
	for (i = 0; i < obj.childNodes.length; i++)
	{
		if (obj.childNodes[i].className == "menuIcon")
		{
			objMenuIcon = obj.childNodes[i];
			break;
		}
	}
	
	if ( objMenuIcon == null ) return;
	if ( objMenuIcon.src.indexOf("menuP.gif") != -1 )
			objMenuIcon.src = "images/menuM.gif";
	else
			objMenuIcon.src = "images/menuP.gif";
}