l2=Array.from(document.querySelectorAll('th[class*="level2"]')).slice(0,2).map(h=>h.id);
l3=Array.from(document.querySelectorAll('th[class*="level3"][class*=b1t]')).slice(0,2).map(h=>h.id);
l4=Array.from(document.querySelectorAll('th[class*="level3"]')).slice(-2).map(h=>h.nextElementSibling.headers.split(' ')[1]);
t=(c,s)=>Array.from(document.querySelectorAll(`td[headers*='${c}'][headers*='grade']`)).map(t=>(t.innerText.includes('%'))?parseFloat(t.innerText.replace(',','.')):0).reduce((a,b)=>a+b)/s;
s=r=>parseInt('0'+document.querySelector(`td[headers*='${r}'][headers*='grade']`).innerText);
r=f=>f.toFixed(2);
pz=t(l2[0],4);dn=t(l2[1],3);kt=0.4*pz+0.6*dn;
pd=t(l3[0],14);vj=t(l3[1],9)
pp=s(l4[0]);***=(pp)?Math.log(pp)/5.73:0;
pf=s(l4[1]);cpf=2.7*pf;
sdl=0.5*pd+0.3*cpf+0.3****+0.1*vj;mj=84.5-0.25*sdl;
console.log(
`--- Koncne tocke
   PZ: ${r(pz)}% ( >= 49.50 %)
   DN: ${r(dn)}% ( >= 49.50 %)
   Koncne tocke: ${r(kt)}% ( >= ${r(mj)}%)
--- Sodelovanje
   Predavanja: ${r(pd)}%
   Pomoc na forumu: ${pf} => ${r(cpf)}%
   Popravki gradiva: ${pp} => ${r(***)}%
   Vaje: ${r(vj)}%
   Sodelovanje skupaj: ${r(sdl)}%
`)