var mRadio = new Image();
mRadio.src='/img_eng/menuRadio.gif';
var mRadiosel = new Image();
mRadiosel.src='/img_eng/menuRadioSel.gif';

var mData = new Image();
mData.src='/img_eng/menuData.gif';
var mDatasel = new Image();
mDatasel.src='/img_eng/menuDataSel.gif';

var mTele = new Image();
mTele.src='/img_eng/menuTelemetriya.gif';
var mTelesel = new Image();
mTelesel.src='/img_eng/menuTelemetriyaSel.gif';

var mSecurity = new Image();
mSecurity.src='/img_eng/menuSecurity.gif';
var mSecuritysel = new Image();
mSecuritysel.src='/img_eng/menuSecuritySel.gif';

if (document.all) {
var ie=true;
}

function menuOn(Id, Id2) {
	document.getElementById(Id).src=eval(Id+'sel.src');
	document.getElementById(Id2).style.visibility='visible';
}

function menuOff(Id, Id2) {
	document.getElementById(Id).src=eval(Id+'.src');
	document.getElementById(Id2).style.visibility='hidden';
}

function menuOn2(subId, subId2) {
	document.getElementById(subId).style.visibility='visible';
	document.getElementById(subId2).style.visibility='visible';
}

function menuOff2(subId, subId2) {
	document.getElementById(subId).style.visibility='hidden';
	document.getElementById(subId2).style.visibility='hidden';
}

function menuOn3(sub2Id, sub2Id2, sub2Id3) {
	document.getElementById(sub2Id).style.visibility='visible';
	document.getElementById(sub2Id2).style.visibility='visible';
	document.getElementById(sub2Id3).style.visibility='visible';
}

function menuOff3(sub2Id, sub2Id2, sub2Id3) {
	document.getElementById(sub2Id).style.visibility='hidden';
	document.getElementById(sub2Id2).style.visibility='hidden';
	document.getElementById(sub2Id3).style.visibility='hidden';
}