<!--


function clearNieuwsMail(textfield) {
	textfield.value="";
}
function clearField(textfield) {
	textfield.value="";
}

function isEmail(str) {


  var supported = 0;


  if (window.RegExp) {


    var tempStr = "a";


    var tempReg = new RegExp(tempStr);


    if (tempReg.test(tempStr)) supported = 1;


  }


  if (!supported)


    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);


  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");


  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");


  return (!r1.test(str) && r2.test(str));


}


function checkEmail (textfield) {

    if(!isEmail (textfield.value)) {

		alert ("U moet een geldig e-mail adres invullen. Dit is nodig voor de bevestiging.");

		return false;

	}

		return true;

}

function stringReplace(originalString, findText, replaceText) {
	var pos = 0;
	var len = findText.length;
	
	pos = originalString.indexOf(findText);
	while (pos != -1) {
		preString = originalString.substring(0, pos);
		postString = originalString.substring(pos + len, originalString.length);
		originalString = preString + replaceText + postString;
		pos = originalString.indexOf(findText);
	}
	return originalString;
}

function isEmptyString(text) {
	var strTrim;

	strTrim = stringReplace(text, new String(" "), new String(""));

	if(strTrim.length == 0) {
		return true;
	}
	else
	{
		return false;
	}
}

// end of hide -->