var n=10
var skore=0
var high=0
var start=0

function zahaj()
{
  start=1
  st=new Date()
  sec=st.getTime()
  n=10
  skore=0
  document.forms['formular'].skore.value=skore
  hra()
}

function hra()
{
  setTimeout("hra()",1)
  teraz=new Date()
  sec1=teraz.getTime()
  n=parseInt((sec1-sec)/1000)
  n=10-(n%60)
  if (n<=0) 
  {    
  start=0; n=0
  }
  document.forms['formular'].odpocet.value=n
}

function pridajKlik()
{
  teraz=new Date()
  sec1=teraz.getTime()
  n=parseInt((sec1-sec)/1000)
  n=10-(n%60)
  document.forms['formular'].odpocet.value=n
  if (n<=0)
  {
  start=0; n=0
  document.forms['formular'].odpocet.value=0
  }
  if (start==0) { skore=skore }
  else { skore=skore+1 }
  document.forms['formular'].skore.value = skore
}