function commentFormInitalize()
{

odesilac=document.getElementById('odeslat');
odesilac.disabled=true;

jm_check=document.getElementById('jmeno_check');
jm_check.style.visibility="hidden";

koment_check=document.getElementById('koment_check');
koment_check.style.visibility="hidden";

checkOnTheFly();

}

function checkOnTheFly(){

jm=document.getElementById('jmeno');
kom=document.getElementById('koment');
sp=document.getElementById('kontrola');

jm_stat=0;
kom_stat=0;
sp_stat=0;

if(jm.value.length>2){
jm_stat=1;
} else {jm_stat=0;}

if(sp.value=="b" || sp.value=="B" || sp.value=="c" || sp.value=="C"){
sp_stat=1;
} else {sp_stat=0;}


if(kom.value.length>5){
kom_stat=1;
} else {kom_stat=0;}

if(kom_stat==1){
document.getElementById('koment_check').style.visibility="visible";
} else {
document.getElementById('koment_check').style.visibility="hidden";
}

if(sp_stat==1){
document.getElementById('spam_check').style.visibility="visible";
} else {
document.getElementById('spam_check').style.visibility="hidden";
}

if(jm_stat==1){
document.getElementById('jmeno_check').style.visibility="visible";
} else {
document.getElementById('jmeno_check').style.visibility="hidden";
}

if(kom_stat==1 && jm_stat==1 && sp_stat==1){
document.getElementById('odeslat').disabled=false;
} else {
document.getElementById('odeslat').disabled=true;
}

}