function showMenu(which,closeM)
{
	var tmpMenu = document.getElementById(which);
	var closeMenu = document.getElementById(closeM);
	if(tmpMenu.style.display == "block")
	{
		tmpMenu.style.display = "none";
	}else
	{
		tmpMenu.style.display = "block";
	}
	closeMenu.style.display = "none";
	return false;	
}

function hover(aImg)
{
	
	var parts = aImg.src.split(".gif");
	aImg.src = parts[0] + "_over.gif";	
	
}

function endHover(aImg)
{
	var parts = aImg.src.split("_over");
	aImg.src = parts[0] + parts[1];	
}