/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Sandeep Gangadharan :: http://www.sivamdesign.com/scripts/ */

function getIzracun() {
  theAnswer = (document.form1.m2.value * document.form1.izolacija.value * document.form1.tarifa.value);
  theEur = ((document.form1.m2.value * document.form1.izolacija.value) * document.form1.tarifa.value * 0.11);
  num1 = Math.pow(10, 2);
  document.form1.kW.value = (Math.round(theAnswer * num1) / num1) + " kW";
  document.form1.eur.value = (Math.round(theEur * num1) / num1) + " EUR";
}

/* Accept only number */
/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Corneliu Lucian 'Kor' Rusu | corneliulucian[at]gmail[dot]com */
var r={
  'special':/[\W]/g,
  'quotes':/['\''&'\"']/g,
  'notnumbers':/[^\d]/g
}

function valid(o,w){
  o.value = o.value.replace(r[w],'');
}