/*
if(document.implementation && document.implementation.createDocument) var isMozilla=true;
else var isMozilla=false;

function menu(row)
{
	var submenu = row.nextSibling;
	if (isMozilla) submenu=submenu.nextSibling;
	if(submenu.style.display=='none')submenu.style.display='block';
	else submenu.style.display='none';
}
*/
function menutop(name)
{
	var obj = document.getElementById('but_'+name);
	if(obj.style.marginTop == '-52px' || obj.style.marginTop =='')
	{
		obj.style.marginTop = '0px';
	}else{
		obj.style.marginTop = '-52px';
	}
	return false;
}