function registerStep1() {
	var username = document.tilmeldform.username.value;
	var password = document.tilmeldform.password.value;
	
	if(username == '' || password == '') {
		alert('Du skal vælge både et brugernavn og password.');
		return false;
	} else {
		return true;
	}
}

function registerStep2() {
	var sitename = document.tilmeldform.site_name.value;
	var siteurl = document.tilmeldform.site_url.value;
	var siteemail = document.tilmeldform.site_email.value;
	
	if(sitename == '' || siteurl == '' || siteemail == '') {
		alert('Du skal udfylde alle felter.');
		return false;
	} else {
		return true;
	}
}

function login() {
	var username = document.loginform.username.value;
	var password = document.loginform.password.value;
	
	if(username == '' || password == '') {
		alert('Du skal indtaste både brugernavn og password.');
		return false;
	} else {
		return true;
	}
}

function forgotPassword() {
	var email = document.forgotform.email.value;
	
	if(email == '') {
		alert('Du skal indtaste din e-mail.');
		return false;
	} else {
		return true;
	}
}

function saveSiteInfo() {
	var password = document.editform.site_password.value;
	var sitename = document.editform.site_name.value;
	var siteurl = document.editform.site_url.value;
	var siteemail = document.editform.site_email.value;
	
	if(password == '' || sitename == '' || siteurl == '' || siteemail == '') {
		alert('Du skal udfylde alle felter.');
		return false;
	} else {
		return true;
	}
}

function sendmail() {
	var name = document.mailform.name.value;
	var email = document.mailform.email.value;
	var message = document.mailform.message.value;
	
	if(name == '' || email == '' || message == '') {
		alert('Du skal udfylde alle felter.');
		return false;
	} else {
		return true;
	}
}

function deleteSite() {
	if (confirm('Er du helt sikker?')) {
		document.location = 'delete.asp';
	}
}

function showProperties(img, channelId, showChannel) {
	var div = document.getElementById('properties');
	if (div == null) return;

	var top = img.offsetHeight + 2;
	var left = 0;
	for (var e = img; e != null; e = e.offsetParent) {
		top += e.offsetTop;
		left += e.offsetLeft;
	}
	div.style.top = top + 'px';
	div.style.left = left + 'px';
	div.style.visibility = 'visible';
	div.style.zIndex = 100; //til aere for Opera

	document.getElementById('showChannel_favorite').checked = false;
	document.getElementById('showChannel_hide').checked = false;
	var x = document.getElementById('showChannel_' + showChannel);
	if (x) x.checked = true;
	document.getElementById('properties-channelId').value = channelId;
	document.getElementById('properties-link').href = '/blog/info.php?id=' + channelId;
}

function hideProperties() {
	document.getElementById('properties').style.visibility = 'hidden';
}