function getX(elm)
{
	x = elm.offsetLeft;
	if(!elm.offsetParent) return x;
	else return (x+getX (elm.offsetParent));
}

function changePos(elm1,elm2,elm3)
{
	var x = getX(document.getElementById(elm1));
	/*document.getElementById(elm2).style.left=x;*/
}

function hide_menu_all(mall)
{
	for(var i=1;i<=mall;i++)
	{
		hide_menu(i);
	}
}
   
function hide_menu(submenu)
{
	document.getElementById(submenu).style.visibility = 'hidden';
}
   
function menu(submenu,mall)
{
	/*hide_menu_all(mall);*/
	document.getElementById(submenu).style.visibility = 'visible';
}