function fncFormValidate(strForm,strExtra) {
	var objForm = document.forms[strForm]
	var strAlert = ""
	switch(objForm.name) {
		case "frmGuestbook" :
			if(objForm.fldGuestbookName.value=="") strAlert += "Namn\n"
			//if(!fncFormValidateMail(objForm.fldGuestbookMail.value)) strAlert += "E-postadress\n"
			if(objForm.fldGuestbookMessage.value=="") strAlert += "Meddelande\n"
			if(objForm.fldGuestbookCaptcha.value=="") strAlert += "Verifieringskod\n"
			break;
	}
	if(strAlert == "") {
		objForm.submit();
	} else {
		alert("Följande fält måste fyllas i korrekt:\n\n" + strAlert);
	}
}

function RefreshImage(valImageId) {
	var objImage = document.images[valImageId];
	if (objImage == undefined) {
		return;
	}
	var now = new Date();
	objImage.src = objImage.src.split('?')[0] + '?x=' + now.toUTCString();
}