function confirm_logout() {
	check = confirm("Möchtest du dich wirklich abmelden?");

	if (check) {
		location.href = "logout.html";
	} else {
		// do nothing
	}
}

function confirm_anonymousdream(checkbox) {

	checkbox = document.getElementsByName(checkbox);

	if (checkbox[0].checked) {
		check = confirm("Achtung: Wenn du einen Traum als anonym markierst, kannst du ihn später nicht mehr bearbeiten, löschen oder zu einem späteren Zeitpunkt mit deinem Benutzerkonto verknüpfen. Möchtest du den Traum wirklich als anonym markieren?");
		if (check) {
			// do nothing
			checkbox[0].checked = true;
		} else {
			checkbox[0].checked = false;
		}
	}
}

function validateRegisterForm() {
	var username = document.getElementById('username');
	var email = document.getElementById('email');
	var gender = document.getElementById('gender');
	if (username.value == "") {
		alert("Bitte einen Benutzernamen eingeben!");
		return false;
	}
	if (email.value == "") {
		alert("Bitte eine E-Mail-Adresse eingeben!");
		return false;
	}
	if (gender.value == "") {
		alert("Bitte dein Geschlecht angeben!");
		return false;
	}
	return true;
}

function validateEditProfileForm() {
	var gender = document.getElementById('gender');
	if (gender.value == "") {
		alert("Bitte dein Geschlecht angeben!");
		return false;
	}
	return true;
}

function tabContent(contentID) {
	if (contentID == 1) {
		if (document.getElementById('tabbedContent-1').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "block";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "none";
		} else {
			document.getElementById('tabbedContent-1').style.display = "none";
		}
	} else if (contentID == 2) {
		if (document.getElementById('tabbedContent-2').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "block";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "none";
		} else {
			document.getElementById('tabbedContent-2').style.display = "none";
		}
	} else if (contentID == 3) {
		if (document.getElementById('tabbedContent-3').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "block";
			document.getElementById('tabbedContent-4').style.display = "none";
		} else {
			document.getElementById('tabbedContent-3').style.display = "none";
		}
	} else if (contentID == 4) {
		if (document.getElementById('tabbedContent-4').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "block";
		} else {
			document.getElementById('tabbedContent-4').style.display = "none";
		}
	}
}

function tabContent_admin(contentID) {
	if (contentID == 1) {
		if (document.getElementById('tabbedContent-1').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "block";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "none";
			document.getElementById('tabbedContent-5').style.display = "none";
		} else {
			document.getElementById('tabbedContent-1').style.display = "none";
		}
	} else if (contentID == 2) {
		if (document.getElementById('tabbedContent-2').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "block";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "none";
			document.getElementById('tabbedContent-5').style.display = "none";
		} else {
			document.getElementById('tabbedContent-2').style.display = "none";
		}
	} else if (contentID == 3) {
		if (document.getElementById('tabbedContent-3').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "block";
			document.getElementById('tabbedContent-4').style.display = "none";
			document.getElementById('tabbedContent-5').style.display = "none";
		} else {
			document.getElementById('tabbedContent-3').style.display = "none";
		}
	} else if (contentID == 4) {
		if (document.getElementById('tabbedContent-4').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "block";
			document.getElementById('tabbedContent-5').style.display = "none";
		} else {
			document.getElementById('tabbedContent-4').style.display = "none";
		}
	} else if (contentID == 5) {
		if (document.getElementById('tabbedContent-5').style.display == "none") {
			document.getElementById('tabbedContent-1').style.display = "none";
			document.getElementById('tabbedContent-2').style.display = "none";
			document.getElementById('tabbedContent-3').style.display = "none";
			document.getElementById('tabbedContent-4').style.display = "none";
			document.getElementById('tabbedContent-5').style.display = "block";
		} else {
			document.getElementById('tabbedContent-5').style.display = "none";
		}
	}
}

function confirmDeleteUserimage() {
	check = confirm("Möchtest du dein Profilbild wirklich löschen?");
	if (check) {
		location.href = "settings.html?changeimage&delete=true";
	} else {
		// do nothing
	}
}

function confirmDeleteCat(cat_id) {
	check = confirm("Möchtest du diese Kategorie wirklich löschen?");
	if (check) {
		location.href = "admin.html?categoryadmin&del&id=" + cat_id + "&confirm";
	} else {
		// do nothing
	}
}

function confirmDeleteUser(user_id) {
	check = confirm("Möchtest du diesen Benutzer wirklich löschen?");
	if (check) {
		location.href = "admin.html?useradmin&del&id=" + user_id + "&confirm";
	} else {
		// do nothing
	}
}

function confirmDeleteDream(user_id) {
	check = confirm("Möchtest du diesen Traum wirklich löschen?");
	if (check) {
		location.href = "my-dreams.html?del&id=" + user_id + "&confirm";
	} else {
		// do nothing
	}
}

function confirmVoting(amount, id) {
	
	var check;
	
	check = confirm("Möchtest du diesen Traum wirklich mit " + amount + " Sternen bewerten?");
	
	if (check) {
		location.href = "vote.html?id=" + id + "&amount=" + amount + "&confirm";
	} else {
		// do nothing
	}
}

function fav(dream_id) {
	var check;
	
	check = confirm("Möchtest du diesen Traum wirklich als deinen Lieblingstraum markieren?");
	
	if (check) {
		location.href = "favourite.html?id=" + dream_id + "&confirm";
	} else {
		// do nothing
	}
}




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