// JavaScript Document
  niv0 = false;
niv1_1 = false;
niv1_2 = false;
niv2_1 = false;
niv2_2 = false;
niv2_3 = false;
niv2_4 = false;

function showSub(lvl)
{
	switch (lvl){
	case '0':
		niv0 = true;
		document.getElementById("menu").className="menu_mid_on";
		document.getElementById("sub").style.display="block";
	break;
	case '1_1':
		niv1_1 = true;
		document.getElementById("sub1_1").className="menu2_on";
		document.getElementById("sub1_2").className="menu2";
		
		document.getElementById("sub2_1").className="menu2";
		document.getElementById("sub2_2").className="menu2";
		
		document.getElementById("subto1_1").style.display="block";
		document.getElementById("subto1_2").style.display="none";
	break;
	case '1_2':
		niv1_2 = true;
		document.getElementById("sub1_2").className="menu2_on";
		document.getElementById("sub1_1").className="menu2";
		
		document.getElementById("sub2_3").className="menu2";
		document.getElementById("sub2_4").className="menu2";
		
		document.getElementById("subto1_2").style.display="block";
		document.getElementById("subto1_1").style.display="none";
	break;
	case '2_1':
		niv2_1 = true;
		document.getElementById("sub2_1").className="menu2_on";
		document.getElementById("sub2_2").className="menu2";
	break;
	case '2_2':
		niv2_2 = true;
		document.getElementById("sub2_2").className="menu2_on";
		document.getElementById("sub2_1").className="menu2";
	break;
	case '2_3':
		niv2_3 = true;
		document.getElementById("sub2_3").className="menu2_on";
		document.getElementById("sub2_4").className="menu2";
	break;
	case '2_4':
		niv2_4 = true;
		document.getElementById("sub2_4").className="menu2_on";
		document.getElementById("sub2_3").className="menu2";
	break;
	}
}

function hideSub(mdiv)
{
	if (!(mdiv == null)){
		document.getElementById(mdiv).className="menu_mid_on";
	}
	document.getElementById("menu").className="menu_mid";
	document.getElementById("sub").style.display="none";
	document.getElementById("subto1_1").style.display="none";
	document.getElementById("subto1_2").style.display="none";
}