function validateform(formid,req,meldinga,meldingb,meldingc) {
	var melding = meldinga;
	var numberreq = $(formid).find('[req="' + req + '"]').length;
	var teller = 0;
	$(formid).find('*[req="' + req + '"]').each(function(){
		var tekst = $(this).val().length;
		if(tekst < 1) {
			if($(this).hasClass("cb")) {
				var idnaam = $(this).attr("id");
				$("."+idnaam).css("color","red");
				melding = meldingc;
			}
			else {
				melding = meldinga;
			}
			$(".growl").fadeIn("normal");
			$(".grtxt").html(pasop + melding);
			$(this).animate({
				backgroundColor: "#f0f4d3"
			}, 1000 );
		}
		else {
			teller += 1;
			$(this).css("background","#fff");
			if($(this).hasClass("checkemail")) {
				if( !isValidEmailAddress( $(this).val() )) {
					teller -= 1;
					$(this).animate({
						backgroundColor: "#f0f4d3"
					}, 1000 );
					$(".growl").fadeIn("normal");
					$(".grtxt").html(pasop + meldingb);
				}
			}
			
		}
		$(".kies").live("click",function(){
			var idnaam = $(this).attr("dnaam");
			$("."+idnaam).css("color","black");
			$(".growl").fadeOut("normal");
		});
		$(this).focus(function(){
			$(".growl").fadeOut("normal");
			$(this).animate({
				backgroundColor: "#fff"
			}, 1000 );
		});
	});
	if(numberreq == teller) {
		return true;
	}
	else
		return false;
}

function isValidEmailAddress(emailAddress) {
	var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
	return pattern.test(emailAddress);
};