function updateNapkinDownloadsNum(uid){
	var value= $.ajax({ type: "GET", url: "/ajax/getNapkinDownloadNum.php", data: "id="+uid, async: false }).responseText;
	$("#napkinDownloadNum").html(value);
}

function validateCustomerInfo(){
	
	if($("#email").val() == ""){
		$.facebox('Fejl - Indtast en e-mailadresse.');
		return false;
	} else if (validateEmailAddress($("#email").val()) == false) {
		$.facebox('Fejl - Indtast en gyldig e-mailadresse.');
		return false;
	}
	
}

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