function validate(address) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   return (reg.test(address));
}

function checkContactForm(url_page){
	if(
		$('#naam').val()=="" ||
		(!validate($('#email').val()))
		){
		$('#error').show();
		return false;
	} else {
		$('#error').hide();
		var str = $('#frmContact').serialize();
	    $.ajax({type: "POST",url: url_page+"do/contact.php", data: str,success: function(msg){ $('#frmContact').hide(); $('#resultText').html(msg).show(); }});
	}
	
}

function subBellen()
{
	if($('#tel').val()>''){
		$('#callme').submit();
	} else {
		alert('Vul minimaal uw telefoonnummer in...');
	}
}