function Recount(theform) {
var celkcena = 0	
	for(var i=1; i<=1001; i++) {
	  if (theform.elements["ks" + i]) {
		  cena = eval("theform.cena" + i)
		  kusu = eval("theform.ks" + i)
  	  if(isNaN(parseInt(kusu.value))) {
  		} else {
  			kusu.value = parseInt(kusu.value)
  		}
	  celkcena += (cena.value * kusu.value)
	  }
	}
	if (celkcena > 0 && celkcena < 999999) {
	  theform.celkem.value = celkcena + 120
  } else {
	  theform.celkem.value = celkcena
  }
}