// JavaScript Document
function racunaj()
{
	resetMsg();
	var teza=document.kalkulator.teza.value;
	var visina=document.kalkulator.visina.value;
	visina=visina/100;
	var itt=teza/(visina*visina);
	
	//izpis itt
	document.kalkulator.itt.value=itt.toFixed(2);
	
	
	var indexSpol=document.kalkulator.spol.selectedIndex;
	var spol=document.kalkulator.spol.options[indexSpol].text;	

	//izpis sporocila
	if (spol=="Moški")
	{
		if (itt<20)
		{
			document.kalkulator.sporocilo.value="Podhranjenost!!!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
		
		if ((itt>=20) && (itt<=24.9))
		{
			document.kalkulator.sporocilo.value="Normalna teža...";
			document.kalkulator.sporocilo.style.backgroundColor="#9DFF9D";
		}
		
		if ((itt>=25) && (itt<=26.9))
		{
			document.kalkulator.sporocilo.value="Zmerno debeli...";
			document.kalkulator.sporocilo.style.backgroundColor="#D4D0C8";
			
		}
		
		if ((itt>=27) && (itt<=29.9))
		{
			document.kalkulator.sporocilo.value="Debeli!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
		
		if ((itt>=30) && (itt<=32.9))
		{
			document.kalkulator.sporocilo.value="Zelo debeli!!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
		
		if (itt>33)
		{
			document.kalkulator.sporocilo.value="Izredno debeli!!!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
	}
	else
	{
		if (itt<19)
		{
			document.kalkulator.sporocilo.value="Podhranjenost!!!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
		
		if ((itt>=19) && (itt<=24.9))
		{
			document.kalkulator.sporocilo.value="Normalna teža...";
			document.kalkulator.sporocilo.style.backgroundColor="#9DFF9D";
		}
		
		if ((itt>=25) && (itt<=26.9))
		{
			document.kalkulator.sporocilo.value="Zmerno debeli...";
			document.kalkulator.sporocilo.style.backgroundColor="#D4D0C8";
		}
		
		if ((itt>=27) && (itt<=29.9))
		{
			document.kalkulator.sporocilo.value="Debeli!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
		
		if ((itt>=30) && (itt<=32.9))
		{
			document.kalkulator.sporocilo.value="Zelo debeli!!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
		
		if (itt>33)
		{
			document.kalkulator.sporocilo.value="Izredno debeli!!!";
			document.kalkulator.sporocilo.style.backgroundColor="#EB8989";
		}
	}
	
	//izpis idealna teža
	if (spol=="Moški")
		var tezaMin=20*(visina*visina);
	else
		var tezaMin=19*(visina*visina);
		
	var tezaMax=24.9*(visina*visina);
	
	document.kalkulator.idealMin.value=Math.round(tezaMin);
	document.kalkulator.idealMax.value=Math.round(tezaMax);
	
	//alert(spol);
}

function resetMsg()
{
	document.kalkulator.sporocilo.style.backgroundColor="#D4D0C8";
}