var NS4 = (document.layers);
var IE4 = (document.all);

var obrazecPot = "document";
if(NS4)
	obrazecPot+= ".layers.masilo.document.layers.vsebina.document.forms.obrazec.";
else if(IE4)
	obrazecPot+= ".forms.obrazec.";
else
	obrazecPot+= ".getElementsByName('obrazec').item(0).";

function obrni(polje,id) {
	var p = obrazecPot + polje;

	if((id!=-1) && eval(p+".length"))
		p+="["+id+"]";

	eval(p+".checked = !"+p+".checked");
}


function postavi(polje,id)
{
	var p = obrazecPot + polje;

	if(id!=-1)
		p+="["+id+"]";

	eval(p+".checked = true");
}


function sameCifre(checkStr)
{
  var checkOK = new String("0123456789");
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
    if(checkOK.indexOf(checkStr.charAt(i))<0) {
      allValid = false;
      break;
    }
  return allValid;
}


function jeCrka(checkChar)
{
  var checkOK = new String("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
  return checkOK.indexOf(checkChar.toUpperCase())>=0;
}


function razmerjeCrk(niz)
{
	var s1 = niz.replace(/[^A-ZÈÆЊŽ]/g, '');
	var s2 = niz.replace(/[^a-zèæðšž]/g, '');

	if((s1.length==0) && (s2.length==0)) return 0;
	return (s2.length>0) ? new Number(s1.length/s2.length) : 10000;
}

function popraviVelikeMale(niz)
{
	return niz.charAt(0).toUpperCase() + niz.substr(1).toLowerCase();
}