function MenuOn(x){ 
	obj=document.getElementById("submenu"+x).style.visibility="visible";
}

function MenuOff(x){ 
	obj=document.getElementById("submenu"+x).style.visibility="hidden"; 
}





function topOn(x){ 
	obj=document.getElementById("subtop"+x).style.visibility="visible";
}

function topOff(x){ 
	obj=document.getElementById("subtop"+x).style.visibility="hidden"; 
}