var itemActive=0;

function highlightItem(itemNumber,state) {
	if (itemNumber==itemActive) { setNavItemActive(itemNumber); }
	else {
		var obj=document.getElementById("item_"+itemNumber);

		if (state) { obj.style.backgroundColor='#8888B6'; }
		else { obj.style.backgroundColor='#C6CC62'; }
	}
}

function setNavItemActive(itemNumber) {
	var obj=document.getElementById("item_"+itemNumber);
	obj.style.backgroundColor='#88B3DA';
	obj.style.color='white';
	itemActive=itemNumber;
}

var el = function (id) { return document.getElementById(id); }

function checkContactFields() {
	var ok=false;
	if (el('naam').value=='') { alert('U bent vergeten uw naam in te voeren.'); el('naam').focus(); }
	else if (el('telefoonnummer').value=='') { alert('Er is geen telefoonnummer ingevoerd.'); el('telefoonnummer').focus(); }
	else if (el('postcode').value=='') { alert('Er is geen postcode ingevoerd.'); el('postcode').focus(); }
	else if (el('email').value=='') { alert('Uw heeft geen emailadres opgegeven.'); el('email').focus(); }
	else { ok=true; }

	return (ok);
}

function highlightItem(itemObj,state) {
	document.getElementById(itemObj).style.visibility=state;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function openwindow() { window.open("http://www.naambellen.nl/popups/sms_popup.html","sms","menubar=0,resizable=0,width=350,height=300"); }
function naambelInfo() { window.open("http://www.naambellen.nl/popups/bel_popup.html","bel","menubar=0,resizable=0,width=350,height=300"); }


function ajax () {
	var xmlHttp=null;
	try { // Firefox, Opera 8.0+, Safari, IE7+
		xmlHttp = new XMLHttpRequest();
	} catch (e) { // Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}

	xmlHttp.onreadystatechange = function() {
		if (xmlHttp.readyState == 4) {
			if (xmlHttp.status == 200) {
				var xmldoc = xmlHttp.responseXML;
				if (xmldoc.documentElement.nodeName == "directofferteklant") {
					var node_bedrijfsnaam = xmldoc.getElementsByTagName('bedrijfsnaam')[0].childNodes[0].nodeValue;
					var node_regio = xmldoc.getElementsByTagName('regio')[0].childNodes[0].nodeValue;
					var node_klanten_id = xmldoc.getElementsByTagName('klanten_id')[0].childNodes[0].nodeValue;

					document.getElementById("terugbelverzoekFrm").action = "index.php?go=terugbelverzoek&klant="+node_klanten_id+"&regio="+node_regio+"&returntpl=terugbelverzoek-geplaatst.tpl";
				} else {
					document.getElementById("terugbelverzoekFrm").action = "index.php?go=offerte2&regio="+document.getElementById("postcode").value+"&returntpl=terugbelverzoek-geplaatst.tpl";
				}

			}
		}
	}
	xmlHttp.open("get","/index.php?go=offerte&act=ajax&postcode=" + document.getElementById("postcode").value);
	xmlHttp.send(null);
}