<!--
// Description: www.websiteturbine.co.uk Javascript code
// Copyright: (c)2004 Dot Com Imaging. All rights reserved.
// Further information: info@dotcomimaging.com
// Created by: David Kirkham
// Last modified by: David Kirkham
// Updated: 12/04/2004

////////////////////////////////////////////////////////////////////////////////////////////
// Make sure page loads into top window position (protect against loads into framesets)
////////////////////////////////////////////////////////////////////////////////////////////
if (top.location != self.location)
{
	top.location.href = "../Index.asp"
}
////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////////////////////////////
// Style switcher
////////////////////////////////////////////////////////////////////////////////////////////
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////


function fnCheckUpdatesForm()
{
var bSubmit=true;
var szText = '';

if (document.updates.first_name.value=='')
{
alert('You must enter a Name!');
document.updates.first_name.focus();
bSubmit = false;
}

if (document.updates.email_address.value!='')
{
var bValidEmail=fnValidEmail(document.updates.email_address.value);
if (bValidEmail==false)
{
alert('The e-mail address is not valid!');
document.updates.email_address.focus();
bSubmit = false;
}
}

if (bSubmit==true)
{
document.updates.submit();
}

}

function fnValidEmail(str)
{
var at="@";
var nAt=str.indexOf(at);
var nLength=str.length;
var nStart=nLength-(nLength-nAt);
str=String(str).substring(nStart, nLength);
return (str.indexOf(".")>2)&&(str.indexOf("@")==0);
}


//Used to open the image preview window
var bWindowOpen = false
function fnShowLarge(Name, h, w)
{
	if(bWindowOpen)
		{
		if (popup.open) popup.close();
		}

	w = w + 20;
	h = h + 60;
	var windowprops = "scrollbars=no,width=" + w  + ",height=" + h;
	popup=window.open('../includes/ImageViewer.asp?Name=../uploads/' + Name ,'enlarge',windowprops);
	if (popup.open) popup.focus();
	bWindowOpen = true
}


//-->