var branche;

function unhidden() {
	document.body.style.overflow='';
}

function changeLocation(url) {
	document.location.href = url;
}

function openwindow(url, meta) {
	//var meta;
	//if(meta == "") meta = "width=510,height=500,scrollbars=no";
	newWindow = window.open(url , '', meta); 
}

function checkForm() {
	if(document.forms[0].naam.value == "" || document.forms[0].email.value == "") {
		alert("U heeft niet alle verplichte velden ingevuld");
	} else {
		if(!isEmail(document.forms[0].email.value))
			alert("U heeft geen geldig emailadres ingevuld");
		else
			document.forms[0].submit();
	}
}

function checkForm2() {
	if(document.forms[0].tel.value == "" || document.forms[0].email.value == "") {
		alert("U heeft niet alle verplichte velden ingevuld");
	} else {
		document.forms[0].submit();
	}
}

function checkActivatieForm() {
	if(document.forms[0].an.value == "" || document.forms[0].cn.value == "") {
		alert("U dient beide velden in te vullen!");
	} else document.forms[0].submit();
}

function checkEmail() {
	if(!isEmail(document.forms[0].email.value))
			alert("U heeft geen geldig emailadres ingevuld");
		else
			document.forms[0].submit();
}

function isEmail(email) {
	if(email == '' || ((email.indexOf('@', 0) == -1 || (email.indexOf('.', 0) == -1)))) {
		return false;
	}
	return true;		
}

function disableSelect(option,selectedOption) {
	if(option == "branche") {
		if(selectedOption == "Restaurant" || selectedOption == "Hotel" || selectedOption == "Arrangementen" || selectedOption == "Alles") {
			document.getElementById('prov').disabled = false;
			setOptionList(selectedOption);
			document.getElementById('prov').options[0].selected = true;			
			
		} else {
			document.location.href = '?ref=pv2Kortingen&overzicht=branche&branche='+selectedOption;
		}
	} else if(option == "prov" && selectedOption != "") {
		branche = document.getElementById('branche').value;
		document.location.href = '?ref=pv2Kortingen&overzicht=branche&branche='+branche+'&prov='+selectedOption;
	}
}

function bookmark(bmurl, bmtitle){
   if(navigator.userAgent.indexOf('MSIE') >= 0 && navigator.userAgent.indexOf('Opera') < 0){
       window.external.AddFavorite(bmurl, bmtitle);
   }
   else{
       document.body.innerHTML += '<'+'a href="'+bmurl+'" title="'+bmtitle+'" rel="sidebar" style="display: none;" id="addbookmark">click<'+'/a>';
       document.getElementById('addbookmark').click();
       document.getElementById('addbookmark').outerHTML = '';
   }
}