var tm;
function hidezer(){
	$('sub_home').hide();
	$('sub_work').hide();
	$('sub_garden').hide();
	$('sub_statement').hide();
	$('sub_exhibitions').hide();
	$('sub_blog').hide();
}

function Menu(subm){
	hidezer();
	var elem = $('sub_'+subm);
	elem.style.display='block';
	if(tm){clearTimeout(tm);}
}

function MenuH(){
	if(tm){clearTimeout(tm);}
	tm = setTimeout(hidezer,1500);
}