function restart() {
TL=parseFloat(document.f.tl.value);
ST=parseInt(document.f.st.value,10);
SP=parseInt(document.f.sp.value,10);
STh=Math.round(ST/100-0.5);
STm=ST-STh*100;
TL2=parseFloat(document.f.tl2.value);
ST2=parseInt(document.f.st2.value,10);
TL3=parseFloat(document.f.tl3.value);
ST3=parseInt(document.f.st3.value,10);
ST2h=Math.round(ST2/100-0.5);
ST2m=ST2-ST2h*100;
ST3h=Math.round(ST3/100-0.5);
ST3m=ST3-ST3h*100;
if (isNaN(TL)|TL<0) { alert('Feil i timelønnen!'); return }
if (isNaN(ST)|ST<0|STh>24|STm>59) { alert('Feil i starttidspunktet! '); return }
if (isNaN(SP)|SP<0|SP>99) { alert('Feil i skatteprosenten! '); return }
if (isNaN(TL2)|TL2<0) { alert('Feil i tillegg 1!'); return }
if (isNaN(ST2)|ST2<0|ST2h>24|ST2m>59) { alert('Feil i starttidspunktet for tillegg 1! '); return }
if (isNaN(TL3)|TL3<0) { alert('Feil i tillegg 2!'); return }
if (isNaN(ST3)|ST3<0|ST3<ST2|ST3h>24|ST3m>59) { alert('Feil i starttidspunktet for tillegg 2! '); return }
if (STh<10) {STh = '0'+STh;}
if (STm<10) {STm = '0'+STm;}
if (ST2h<10) {ST2h = '0'+ST2h;}
if (ST2m<10) {ST2m = '0'+ST2m;}
if (ST3h<10) {ST3h = '0'+ST3h;}
if (ST3m<10) {ST3m = '0'+ST3m;}
document.f.tl.value=TL;
document.f.st.value=STh+''+STm;
document.f.sp.value=SP;
document.f.tl2.value=TL2;
document.f.st2.value=ST2h+''+ST2m;
document.f.tl3.value=TL3;
document.f.st3.value=ST3h+''+ST3m;
update();
}

function update() {
TL=parseFloat(document.f.tl.value);
ST=parseInt(document.f.st.value,10);
SP=parseInt(document.f.sp.value,10);
STh=Math.round(ST/100-0.5);
STm=ST-STh*100;
TL2=parseFloat(document.f.tl2.value);
ST2=parseInt(document.f.st2.value,10);
TL3=parseFloat(document.f.tl3.value);
ST3=parseInt(document.f.st3.value,10);
ST2h=Math.round(ST2/100-0.5);
ST2m=ST2-ST2h*100;
ST3h=Math.round(ST3/100-0.5);
ST3m=ST3-ST3h*100;
var tid = new Date()
msnow = tid.getTime();          
tid.setHours(STh);
tid.setMinutes(STm);
tid.setSeconds(0);
msstart = tid.getTime();          
msd=msnow-msstart;

tid.setHours(ST2h);
tid.setMinutes(ST2m);
tid.setSeconds(0);
msstart2 = tid.getTime();          
msd2=msnow-msstart2;
if (msd2<0) { msd2=0 }

tid.setHours(ST3h);
tid.setMinutes(ST3m);
tid.setSeconds(0);
msstart3 = tid.getTime();          
msd3=msnow-msstart3;
if (msd3<0) { msd3=0 } 
if ((msd3>0)&(msd2>0)) { msd2=0 }

hd=msd/1000/60/60;
hd2=msd2/1000/60/60;
hd3=msd3/1000/60/60;
kr=Math.round((TL*hd+TL2*hd2+TL3*hd3)*(100-SP)/100*100)/100;

if (Math.round(kr)==kr) { kr = kr+'.00' }
else { if (Math.round(kr*10)==kr*10) { kr = kr+'0' } }

document.f.tjent.value=kr;
document.title='kr '+kr+' tjent!';

document.all["n0"].style.width=Math.ceil(kr/10);

id = setTimeout("update()",1000);
}