function show(what, lvl, real_id, menu_id)
{

//   alert(array_menu[what]);
	if(array_menu[what] == 0 && real_id && menu_id) document.location = location_str+'/'+menu_id+'/'+real_id+'/';
	if(array_menu[what] == 0 && lvl == 0 && real_id) document.location = location_str+real_id+'/';
	if(lvl=="0")
	{
		for(i=1;i<=array_menu[what];i++)
		{
			for(k=0;k<=array_menu[what+'_'+i];k++)
			{
				obj3 = eval(what+"_"+i+"_"+k);
				obj3.style.display="none";
				obj4 = eval(what+"_"+i+"_0");
				obj4.style.display="none";
			}
		}
	}
	obj1 = eval(what);
	obj2 = eval(what+"_0");

	if(obj1.style.display=="block")
	{
		obj1.style.display="none";
		obj2.style.display="block";
		for(k=1;k<=array_menu[what];k++)
		{
			obj0 = eval(what+"_"+k);
			obj0.style.display="block";
		}
	}
	else
	{
		for(k=1;k<=array_menu[what];k++)
		{
			obj0 = eval(what+"_"+k);
			obj0.style.display="none";
		}
		obj2.style.display="none";
		obj1.style.display="block";
	}
//	}
}