/**
 * Save a cookie.
 */
function setcookie(cookieName, cookieValue, nDays) { 
	var today = new Date(); 
	var expire = new Date(); 
	if (nDays==null || nDays==0){
		nDays=1; 
	}
	expire.setTime(today.getTime() + 3600000*24*nDays); 
	document.cookie = cookieName+'='+escape(cookieValue) + ";expires="+expire.toGMTString()+'; path=/;'; 
}

/**
 * Get a saved cookie.
 */
function getcookie(c_name) { 
	if (document.cookie.length>0) { 
		c_start=document.cookie.indexOf(c_name + "="); 
		if (c_start!=-1) { 
			c_start=c_start + c_name.length+1; 
			c_end=document.cookie.indexOf(";",c_start); 
			if (c_end==-1) c_end=document.cookie.length; 
			return unescape(document.cookie.substring(c_start,c_end)); 
		} 
	} 
	//als er nog geen cookie bestaat (nog nooit een keuze gemaakt) meer info verbergen
	return 0; 
}

function meer_informatie_weergeven(zichtbaar){
	if(zichtbaar==0){
		document.getElementById('meer_informatie').style.display = 'none';
		document.getElementById('meer_info_link').style.display = 'block';
		document.getElementById('minder_info_link').style.display = 'none';
		setcookie('meerinfo',0,10);
	}
	else{
		document.getElementById('meer_informatie').style.display = 'block';
		document.getElementById('meer_info_link').style.display = 'none';
		document.getElementById('minder_info_link').style.display = 'block';
		setcookie('meerinfo',1,10);
	}
}

function meer_informatie_wissel(){
	if(getcookie('meerinfo') == 1) meer_informatie_weergeven(0);
	else if(getcookie('meerinfo') == 0) meer_informatie_weergeven(1);
}

//detail modaalbox  misbruik
function checkform_misbruik(formulier){
    var in_orde = true;
    
    if(check_mail(formulier.afz_email.value, "van") == false) in_orde = false;
    
    if(formulier.afz_naam.value == ''){
        in_orde = false;
        //document.getElementById('afz_naam_melding').innerHTML = '';	
        document.getElementById('afz_naam_melding').innerHTML = '<p class="error">Verplicht veld!</p>';	
    }
    else document.getElementById('afz_naam_melding').innerHTML = '';
    
    if(check_radiobuttons(formulier)){
        in_orde = false;
        //document.getElementById('reden_melding').innerHTML = '';		
        document.getElementById('reden_melding').innerHTML = '<p class="error">Verplicht veld!!</p>';		
    }
    else document.getElementById('reden_melding').innerHTML = '';
    
    if(formulier.toelichting.value == ''){
        in_orde = false;
        //document.getElementById('toelichting_melding').innerHTML = ''
        document.getElementById('toelichting_melding').innerHTML = '<p class="error">Verplicht veld!</p>';		
    }
    else document.getElementById('toelichting_melding').innerHTML = '';
    
    return in_orde;
}

//detail modaalbox misbruik
function check_radiobuttons(formulier){
    for (var i=0; i < 4; i++){
        if (formulier.reden[i].checked){
            return false;
        }
    }
    return true;
}

//detail modaalbox  misbruik & versturen
function check_mail(mailadres, type){
    if(check_emailadres(mailadres)){
        if(type=='voor') document.getElementById('voor').innerHTML = '';
        if(type=='van') document.getElementById('van').innerHTML = '';
        return true;
    }
    else{
        if(type=='voor') document.getElementById('voor').innerHTML = '';
        if(type=='voor') document.getElementById('voor').innerHTML = '<p class="error">Ongeldig email!</p>';
        if(type=='van') document.getElementById('van').innerHTML = '';
        if(type=='van') document.getElementById('van').innerHTML = '<p class="error">Ongeldig email!</p>';
        return false;
    }
}

//detail modaalbox  misbruik & versturen
function check_emailadres(mailadres){ //controle op mail in verwerken
    var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    if (!filter.test(mailadres)) return false;
    else return true;
}

//detail modaalbox  versturen
function checkform_email(formulier){ 
	var in_orde = true;
	//check_captcha_ajax(formulier.captcha.value);
	if(check_mail(formulier.email.value, "voor") == false) in_orde = false;
	if(check_mail(formulier.afz_email.value, "van") == false) in_orde = false;
	if(formulier.afz_naam.value == ''){
		in_orde = false;
		//document.getElementById('afz_naam_melding').innerHTML = '';	
        document.getElementById('afz_naam_melding').innerHTML = '<p class="error">Verplicht veld!</p>';		
	}
	else document.getElementById('afz_naam_melding').innerHTML = '';
	//alert(this.captcha_ok);
	//sleep(2);
	//alert(this.captcha_ok);
	//if(this.captcha_ok == 1) document.getElementById('captcha_melding').innerHTML = '';
	//else{
	//	in_orde = false;
	//	document.getElementById('captcha_melding').innerHTML = '';		
	//}
	
	return in_orde;
}	

function num2money(n_value) {

	// validate input
	if (isNaN(Number(n_value)) || n_value == 0)
		return '0,00';

	// save the sign
	var b_negative = Boolean(n_value < 0);
	n_value = Math.abs(n_value);
	
	// round to 1/100 precision, add ending zeroes if needed
	var s_result = String(Math.round(n_value*1e2)%1e2 + '00').substring(0,2);

	// separate all orders
	var b_first = true;
	var s_subresult;
	while (n_value >= 1) {
		s_subresult = (n_value >= 1e3 ? '00' : '') + Math.floor(n_value%1e3);
		s_result = s_subresult.slice(-3) + (b_first ? ',' : '.') + s_result;
		b_first = false;
		n_value = n_value/1e3;
	}
	// add at least one integer digit
	if (b_first)
		s_result = '0.' + s_result;
	
	// apply formatting and return
	return  b_negative
		? '(' + s_result + ')'
		: '' + s_result;
}
	

function update_cart(form_input){
	form_input.value = parseInt(form_input.value);
	if (isNaN(Number(form_input.value))) form_input.value = 0;
	document.getElementById('totaal_'+form_input.name).innerHTML = '&euro; '+num2money(form_input.value * formaten[form_input.name]['prijs']);
	update_totaal();
}

function update_totaal(){
	var totaal_prijs = 0;
	var stuksprijs = 0;
	for(var i = 0; i < formaten.length; i++){
		stuksprijs = document.getElementById('winkelwagen_aantal_'+i).value;
		stuksprijs = parseInt(stuksprijs);
		if (isNaN(Number(stuksprijs))) stuksprijs = 0;
		totaal_prijs += this.formaten[i]['prijs'] * stuksprijs;	
	}
	document.getElementById('eind_totaal').innerHTML = '&euro; '+num2money(totaal_prijs);
}