function validate_required(field,alerttxt)
{
with (field)
{
  if (value==null||value=="")
  {
  alert(alerttxt);return false;
  }
  else
  {
  return true;
  }
}
}

function validate_match(field1,field2,alerttxt)
{
var pw1 = field1;
var pw2 = field2;

if (field1.value === field2.value) {
	return true;
}
else
{
alert(alerttxt);return false;
}
}

function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2) 
  {alert(alerttxt);return false;}
else {return true;}
}
}

function validate_form(thisform)
{
with (thisform)
{
if (validate_required(user_email,"You must supply an e-mail address.")==false)
	{user_email.focus();return false;}
if (validate_email(user_email,"Not a valid e-mail address.")==false)
  {user_email.focus();return false;}
if (validate_required(user_password,"You must enter a password.")==false)
	{user_password.focus();return false;}
if (validate_required(user_password2,"You must verify your password.")==false)
	{user_password2.focus();return false;}
if (validate_match(user_password,user_password2,"Passwords do not match.")==false)
	{user_password.value=null;user_password2.value=null;user_password.focus();return false;}
if (validate_required(user_password2,"You must verify your password.")==false)
	{user_password2.focus();return false;}
if (validate_required(user_firstname,"You must enter your first name.")==false)
	{user_firstname.focus();return false;}
if (validate_required(user_lastname,"You must enter your last name.")==false)
	{user_lastname.focus();return false;}
if (validate_required(user_address_1,"You must enter your address.")==false)
	{user_address_1.focus();return false;}
if (validate_required(user_city,"You must enter your city.")==false)
	{user_city.focus();return false;}
}
}

function validate_form2(thisform)
{
with (thisform)
{
if (validate_required(user_email,"You must enter your email address.")==false)
	{user_email.focus();return false;}
if (validate_email(user_email,"Not a valid e-mail address.")==false)
  {user_email.focus();return false;}
if (validate_required(user_password,"You must enter your password.")==false)
	{user_password.focus();return false;}
}
}

function validate_form3(thisform)
{
with (thisform)
{
if (validate_required(update_email,"You must supply an e-mail address.")==false)
	{update_email.focus();return false;}
if (validate_email(update_email,"Not a valid e-mail address.")==false)
  {update_email.focus();return false;}
if (validate_match(update_password,update_password2,"Passwords do not match.")==false)
	{update_password.value=null;update_password2.value=null;update_password.focus();return false;}
if (validate_required(update_firstname,"You must enter your first name.")==false)
	{update_firstname.focus();return false;}
if (validate_required(update_lastname,"You must enter your last name.")==false)
	{update_lastname.focus();return false;}
if (validate_required(update_address_1,"You must enter your address.")==false)
	{update_address_1.focus();return false;}
if (validate_required(update_city,"You must enter your city.")==false)
	{update_city.focus();return false;}
}
}

/* Calendar Functions */

			var enableCache = false;
			var jsCache = new Array();
			var AjaxObjects = new Array();
	
			function ShowContent_UpdateMiniCal2(divId,ajaxIndex,url)
			{
				document.getElementById(divId).innerHTML = AjaxObjects[ajaxIndex].response;
				if(enableCache){
					jsCache[url] = 	AjaxObjects[ajaxIndex].response;
				}
				AjaxObjects[ajaxIndex] = false;
			}
	
			function Ajax_UpdateMiniCal(divId,url)
			{
				if(enableCache && jsCache[url]){
					document.getElementById(divId).innerHTML = jsCache[url];
					return;
				}	
				var ajaxIndex = AjaxObjects.length;
				document.getElementById(divId).innerHTML = '<img src=/movewait.gif width=16 height=16 hspace=10 vspace=10 />';
				AjaxObjects[ajaxIndex] = new sack();
				AjaxObjects[ajaxIndex].requestFile = url;
				AjaxObjects[ajaxIndex].onCompletion = function(){ ShowContent_UpdateMiniCal2(divId,ajaxIndex,url); };
				AjaxObjects[ajaxIndex].runAJAX();
			}
			
function HL_On(id, upto) {
var i=0
for (i=0;i<=upto;i++)
	{
		var x = id + '_' + i
		css_color_change(x,'FFFF99');
	}
}
function HL_Off(id, upto) {
var i=0
for (i=0;i<=upto;i++)
	{
		var x = id + '_' + i
		css_color_change(x,'ffffff');
	}
}
function css_color_change(id, val)
{
     var e = document.getElementById(id);
     if(!(e))
     {
//          alert("This change is not possible! [" + id + "]");
          return(false);
     }
     e.style.backgroundColor = "#"+val;
     return(true);
}

			
/* */

function checkAll(checkname, exby) {
  for (i = 0; i < checkname.length; i++)
  checkname[i].checked = exby.checked? true:false
}

function HideContent(d) {
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
document.getElementById(d).style.display = "block";
}
function ReverseDisplay(d) {
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}

function swapImage(x) {
if(document.getElementById(x).attributes.getNamedItem("src").value == "images/ico-contract.gif") { document.getElementById(x).attributes.getNamedItem("src").value = "images/ico-expand.gif"; }
else { document.getElementById(x).attributes.getNamedItem("src").value = "images/ico-contract.gif"; }
}


function validate_eventpost(thisform)
{
with (thisform)
{
if (validate_required(event_name,"Event Name must be filled out.")==false)
  {event_name.focus();return false;}
if (validate_required(event_short_description,"Event Short Description must be filled out.")==false)
  {event_short_description.focus();return false;}
if (validate_required(event_city,"Event City must be filled out.")==false)
  {event_city.focus();return false;}
if (validate_required(event_venue,"Event Venue Name must be filled out.")==false)
  {event_venue.focus();return false;}
if (validate_required(event_address,"Event Address must be filled out.")==false)
  {event_address.focus();return false;}
if (validate_required(event_contact_person,"Contact Person must be filled out.")==false)
  {event_contact_person.focus();return false;}
if (validate_required(event_contact_email,"Contact Email must be filled out.")==false)
  {event_contact_email.focus();return false;}
if (validate_required(event_contact_phone,"Contact Phone must be filled out.")==false)
  {event_contact_phone.focus();return false;}
if (validate_required(event_contact_website,"Event Website must be filled out.")==false)
  {event_contact_website.focus();return false;}
}

}

function changeSaveValue() {
var x = document.getElementById("SaveButton");
	if(x.value == "Preview Changes") {
	x.value = "Save Changes";
	} else {
	x.value = "Preview Changes";
	}
}