function hide_menus(id) {
	Effect.toggle('submenus_'+id, 'blind', {duration:0.2});
	var tags = document.getElementsByTagName("div");
	var patron = new RegExp("submenus_.*")
	var arr = []; 
	var i, len = tags.length;
	for (i = 0; i < len; i++)
	{
	var elem = tags[i];
	if (patron.test(elem.id) == true)
	{ arr.push(elem.id); }
	}

	//document.write(arr[0]);
	for(var a=0;a<arr.length; a++){
	if (arr[a] != 'submenus_'+id && document.getElementById(arr[a]).style.display == ""	) {
	//document.getElementById(arr[a]).style.visibility = "hidden"		
	Effect.SlideUp(arr[a], {duration:0.3});
	}
	}
}