var ID;


function objev(co)
{

for (i=5;i>0;i--)
{
ID='o'+i;
document.getElementById(ID).style.display="none";
document.getElementById(ID+'v').style.display="block";
}
document.getElementById('o'+co).style.display="block";
document.getElementById('o'+co+'v').style.display="none";
}

function objev_1(co)
{

for (i=1;i>0;i--)
{
ID='o'+i;
document.getElementById(ID).style.display="none";
document.getElementById(ID+'v').style.display="block";
}
document.getElementById('o'+co).style.display="block";
document.getElementById('o'+co+'v').style.display="none";
}



function objev_2(co)
{

for (i=2;i>0;i--)
{
ID='o'+i;
document.getElementById(ID).style.display="none";
document.getElementById(ID+'v').style.display="block";
}
document.getElementById('o'+co).style.display="block";
document.getElementById('o'+co+'v').style.display="none";
}