var casovac1, casovac2, casovac3, casovac4, casovac5, casovac6, casovac7, casovac8, casovac9, casovac10, casovac11, casovac12, casovac13;
var ev1, ev2, ev3, ev4, ev5, ev6, ev7, ev8, ev9, ev10, ev11, ev12, ev13;

function skryj_uroven_2(sub) {

ev1=document.getElementById(sub).style;
casovac1 = setTimeout("ev1.display='none'",300);

clearTimeout(casovac2);
clearTimeout(casovac3);
clearTimeout(casovac4);
clearTimeout(casovac5);
clearTimeout(casovac6);
clearTimeout(casovac7);
clearTimeout(casovac8);
clearTimeout(casovac9);

}

function zobraz_uroven_2(sub) {

clearTimeout(casovac1);
clearTimeout(casovac2);
clearTimeout(casovac3);
clearTimeout(casovac4);
clearTimeout(casovac5);
clearTimeout(casovac6);
clearTimeout(casovac7);
clearTimeout(casovac8);
clearTimeout(casovac9);
clearTimeout(casovac10);
clearTimeout(casovac11);
clearTimeout(casovac12);

document.getElementById(sub).style.display='block';

ev2=document.getElementById("subsubmenu20").style;
casovac2 = setTimeout("ev2.display='none'",200);

ev3=document.getElementById("subsubmenu55").style;
casovac3 = setTimeout("ev3.display='none'",200);

ev4=document.getElementById("subsubmenu15").style;
casovac4 = setTimeout("ev4.display='none'",200);

ev5=document.getElementById("subsubmenu19").style;
casovac5 = setTimeout("ev5.display='none'",200);

ev6=document.getElementById("subsubmenu14").style;
casovac6 = setTimeout("ev6.display='none'",200);

ev7=document.getElementById("subsubmenu16").style;
casovac7 = setTimeout("ev7.display='none'",200);

ev8=document.getElementById("subsubmenu13").style;
casovac8 = setTimeout("ev8.display='none'",200);

ev9=document.getElementById("subsubmenu11").style;
casovac9 = setTimeout("ev9.display='none'",200);

}

function zobraz_uroven_3(subsub) {

clearTimeout(casovac1);
clearTimeout(casovac2);
clearTimeout(casovac3);
clearTimeout(casovac4);
clearTimeout(casovac5);
clearTimeout(casovac6);
clearTimeout(casovac7);
clearTimeout(casovac8);
clearTimeout(casovac9);
clearTimeout(casovac10);
clearTimeout(casovac11);
clearTimeout(casovac12);
document.getElementById(subsub).style.display='block';

if(subsub!="subsubmenu20") {
document.getElementById("subsubmenu20").style.display='none';
}
if(subsub!="subsubmenu55") {
document.getElementById("subsubmenu55").style.display='none';
}
if(subsub!="subsubmenu15") {
document.getElementById("subsubmenu15").style.display='none';
}
if(subsub!="subsubmenu19") {
document.getElementById("subsubmenu19").style.display='none';
}
if(subsub!="subsubmenu14") {
document.getElementById("subsubmenu14").style.display='none';
}
if(subsub!="subsubmenu16") {
document.getElementById("subsubmenu16").style.display='none';
}
if(subsub!="subsubmenu13") {
document.getElementById("subsubmenu13").style.display='none';
}
if(subsub!="subsubmenu11") {
document.getElementById("subsubmenu11").style.display='none';
}
}

function skryj_uroven_3(subsub) {

ev10=document.getElementById(subsub).style;
casovac10 = setTimeout("ev10.display='none'",300);

ev11 = document.getElementById("submenu8").style
casovac11 = setTimeout("ev11.display='none'",300);
ev12 = document.getElementById("submenu2").style
casovac12 = setTimeout("ev12.display='none'",300);
}