function edit_alarm_types() {
window.open("edit_alarm_types_popup.php","edit_alarm_types","width=400,height=600,resizable=yes,scrollbars=yes,status=yes,dependent=yes")
}


function edit_signal_types() {
window.open("edit_signal_types_popup.php","edit_signal_types","width=400,height=600,resizable=yes,scrollbars=yes,status=yes,dependent=yes")
}


function edit_event(eventnum) {
window.open("edit_event_popup.php?event="+eventnum,"edit_event","width=600,height=600,resizable=yes,scrollbars=yes,status=yes,dependent=yes")
}


function add_event(epoch) {
window.open("add_event_popup.php?epoch="+epoch,"add_event","width=560,height=520,resizable=yes,scrollbars=yes,status=yes,dependent=yes")
}


function addevent_name_verification() {
var complete = true;
var evententered = document.add_event.eventname.value;
if (((evententered == "") || (evententered == null)) || (evententered == " ")) {
	alert("You must enter an event name");
	complete = false;
}
return complete;
}


function editevent_name_verification() {
var complete = true;
var evententered = document.change_event.eventname.value;
if (((evententered == "") || (evententered == null)) || (evententered == " ")) {
	alert("You must enter an event name");
	complete = false;
}
return complete;
}


function adduser_fields_verification() {
var complete = true;
var fieldsentered = document.adduser.firstname.value;
if (((fieldsentered == "") || (fieldsentered == null)) || (fieldsentered == " ")) {
	alert("You must enter a first name");
	complete = false;
}
var fieldsentered = document.adduser.lastname.value;
if (((fieldsentered == "") || (fieldsentered == null)) || (fieldsentered == " ")) {
	alert("You must enter a last name");
	complete = false;
}
return complete;
}


function editusers_fields_verification() {
var complete = true;
var fieldsentered = document.editusers.firstname.value;
if (((fieldsentered == "") || (fieldsentered == null)) || (fieldsentered == " ")) {
	alert("You must enter a first name");
	complete = false;
}
var fieldsentered = document.editusers.lastname.value;
if (((fieldsentered == "") || (fieldsentered == null)) || (fieldsentered == " ")) {
	alert("You must enter a last name");
	complete = false;
}
return complete;
}

function publish_date() {
if(document.addlink.include_publish_date.checked == true) {
	document.addlink.publishmonth.disabled = false;
	document.addlink.publishdate.disabled = false;
	document.addlink.publishyear.disabled = false;
	} else if (document.addlink.include_publish_date.checked == false) {
	document.addlink.publishmonth.disabled = true;
	document.addlink.publishdate.disabled = true;
	document.addlink.publishyear.disabled = true;
	}
}

function activate_new_link_type(){
if(document.addlink.new_type_checkbox.checked == true) {
	document.addlink.new_type.disabled = false;
	} else if (document.addlink.new_type_checkbox.checked == false) {
	document.addlink.new_type.disabled = true;
	}
}

function check_add_link_url_and_text() {
var complete = true;
var fieldsentered = document.addlink.url.value;
if (((fieldsentered == "") || (fieldsentered == null)) || (fieldsentered == " ")) {
	alert("You must enter a URL");
	complete = false;
}
var fieldsentered = document.addlink.text.value;
if (((fieldsentered == "") || (fieldsentered == null)) || (fieldsentered == " ")) {
	alert("You must enter Link Text");
	complete = false;
}
return complete;
}

function delete_event(number) {
	var confirmed = window.confirm("DELETE this event?");
	var target_url = "delete_event.php?event="+number;
	if(confirmed === true) { window.location = target_url; }
}