function openWindow(url, w, h, name){
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	var settings  ='height='+h+',';
	settings +='width='+w+',';
	settings +='top='+wint+',';
	settings +='left='+winl+',';
	settings +='scrollbars=no,';
	settings +='resizable=no,';
	settings +='menubar=no,';
	settings +='location=no,';
	settings +='status=no';
	popupWin = window.open(url, name, settings);
	}

function capitalizeMe(str){
	var val = str;
	newVal = '';
	val = val.split(' ');
	for(var c=0; c < val.length; c++) {
		newVal += val[c].substring(0,1).toUpperCase() + val[c].substring(1,val[c].length).toLowerCase() + ' ';
	}
	return newVal.substring(0,newVal.length-1);
	}

function isEmailAdres(string){
  	var patroon = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
 	return patroon.test(string);
	}

function isNum(argvalue){
	argvalue = argvalue.toString();
	if (!argvalue.length) return false;
	for (var n=0; n<argvalue.length; n++)
		if (argvalue.substring(n, n+1) < "0" || argvalue.substring(n, n+1) > "9")
			return false;
	return true;
	}

function isMobile(string){
	var patroon = /^06(-{0,1})[1-9][0-9]{7}$/;
	return patroon.test(string);
	}

function isTelefoon(string){
	var patroon = /^0[1-9][0-9]{1,2}(-{0,1})[1-9][0-9]{5,6}$/;
	return patroon.test(string);
	}

function isTel(string){
	if(string.length!=10) return false;
	return isTelefoon(string) || isMobile(string);
	}

function isPostcode(string){
	if(isPostcodeNL(string)) return true;
	return false;
	}

function isPostcodeNL(string){
    var patroon = /^[1-9][0-9]{3}[A-Za-z]{2}$/;
    return patroon.test(string);
	}

function replaceAll( str, from, to ){
    var idx = str.indexOf( from );
    while ( idx > -1 ) {
        str = str.replace( from, to );
        idx = str.indexOf( from );
   		}
    return str;
	}

function checkForm(){
	var frm, errorstr, err;
	
	frm = document.registreer;
	errorstr = "De volgende velden zijn niet of verkeerd ingevuld:";
	err = errorstr;
	strbool = true;
	frm.voornaam.value = replaceAll(frm.voornaam.value,","," ");
	frm.achternaam.value = replaceAll(frm.achternaam.value,","," ");
	frm.plaats.value = capitalizeMe(frm.plaats.value);
	
	if(frm.bedrijfsnaam.value.length==0){
		errorstr += "\n - Bedrijfsnaam";
		}
	
	if(frm.voornaam.value.length==0){
		errorstr += "\n - Voornaam";
		}

	if(frm.achternaam.value.length==0){
		errorstr += "\n - Achternaam";
		}

	if(frm.straat.value.length==0){
		errorstr += "\n - Adres";
		strbool = false;
		}

	if(frm.huisnummer.value.length==0){
		errorstr += "\n - Huisnummer";
		strbool = false;
		}

	frm.postcode.value = replaceAll(frm.postcode.value," ","");
	if(!isPostcode(frm.postcode.value)){
		errorstr += "\n - Postcode";
		}else{
			if(isPostcodeNL(frm.postcode.value))
				frm.postcode.value = frm.postcode.value.substr(0,4)+" "+frm.postcode.value.substr(4,6).toUpperCase();
		}	
		
	if(frm.plaats.value.length==0){
		errorstr += "\n - Woonplaats";
		}
		else
		{
			if(frm.plaats.value.indexOf("@")!=-1){
				errorstr += "\n - Woonplaats";
			}
		}

	frm.telefoon.value = replaceAll(frm.telefoon.value,"-","");
	if(!isTel(frm.telefoon.value)){
		errorstr += "\n - Telefoonnummer";
		}

	if(!isEmailAdres(frm.email.value)){
		errorstr += "\n - E-mailadres";
		}
	
	if(errorstr == err)
	{
		frm.straat.disabled = false;
		frm.plaats.disabled = false;
		frm.submit();
	}
	else
	{
		alert(errorstr);
	}
}