function exdiv(div1, div2) {
		document.getElementById(div1).style.display = 'none';
		document.getElementById(div2).style.display = 'block';
}

var http_request = false;

function makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		// set type accordingly to anticipated content type
		//http_request.overrideMimeType('text/xml');
		http_request.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function alertContents() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		//alert(http_request.responseText);
		result = http_request.responseText;
		alert(result);           
	 } else {
		alert('There was a problem with the request.');
	 }
  }
}


function submitForm() {
	var urlReg = /https?:\/\/([-\w\.]+)+(:\d+)?(\/([\w/_\.]*(\?\S+)?)?)?/;
	if(!document.getElementById('budzet').value.match(/^[0-9]+(,\.)?[0-9]+$/)) {
		alert('Unesite ispravan iznos budžeta');
	/*} else if (!document.getElementById('url').value.match(urlReg)) {
		alert('Unesite ispravnu URL adresu Vaše stranice');*/
	} else if (document.getElementById('tvrtka').value.length < 3) {
		alert('Unesite ime tvrtke');
	} else if (document.getElementById('mb').value.length < 5 || (!document.getElementById('mb').value.match(/^[0-9]+$/))) {
		alert('Unesite ispravan matični broj Vaše tvrtke');
	} else if (!document.getElementById('kontakt_mail').value.match(/^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/)) {
		alert('Unesite ispravnu email adresu');
	} else {
		var params = "budzet="+encodeURI(document.getElementById("budzet").value)+"&url="+encodeURI(document.getElementById("url").value)+"&tvrtka="+encodeURI(document.getElementById('tvrtka').value)+"&mb="+encodeURI(document.getElementById('mb').value)+"&adresa="+encodeURI(document.getElementById('adresa').value)+"&kontakt_telefon="+encodeURI(document.getElementById('kontakt_telefon').value)+"&kontakt_mail="+encodeURI(document.getElementById('kontakt_mail').value);
		makePOSTRequest('http://www.emg.hr/wp-content/themes/theme956/ajax-send.php', params);
	}
}