function Left(str, n){
		 if (n <= 0)
		     return "";
		 else if (n > String(str).length)
		     return str;
		 else
		     return String(str).substring(0,n);
}

function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}

<!-- MSN CHAT -->
function msnChat(target)
{
var msnWindowFeatures = 'toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0,width=1,height=1';
var popupWindow = window.open ('http://www.gurteen.com/gurteen/gurteen.nsf/msnchat?openpage&ima=' + target, 'msn', msnWindowFeatures)
}

<!-- CENTER WINDOW -->
function CenterWindow(url, name, width, height, params)
{
var str = "height=" + height + ",innerHeight=" + height;
str += ",resizable=yes" + "," + params + ",width=" + width + ",innerWidth=" + width;
if (window.screen) {
var ah = screen.availHeight - 30;
var aw = screen.availWidth - 10;
 
var xc = (aw - width) / 2;
var yc = (ah - height) / 2;
  
str += ",left=" + xc + ",screenX=" + xc;
str += ",top=" + yc + ",screenY=" + yc;
str += ", " + params;
}
return window.open(url, name, str);
}

<!--  OPEN KNOWLEDGE SEEDS -->
function openKnowledgeSeeds()
{
  CenterWindow("/gurteen/gurteen.nsf/kseed-i?openagent&delay=3600","ktips",300,400,"");
}

<!-- REFRESH PAGE -->
function RefreshPage()
{
  window.location.reload();
}

<!-- CHANGE IMAGE -->
function changeImage(oldImg,newImg)
{
  document[oldImg].src=eval(newImg + ".src");
}

<!--  GET COOKIE -->
function getCookie(NameOfCookie)
{
    if (document.cookie.length > 0) 
        { 
           begin = document.cookie.indexOf(NameOfCookie+"="); 
           if (begin != -1) 
              { 
                 begin += NameOfCookie.length+1; 
                 end = document.cookie.indexOf(";", begin);
                 if (end == -1) end = document.cookie.length;
                 return unescape(document.cookie.substring(begin, end));
               } 
        }
    return null; 
}

function setCookie(cookie_name, cookie_value, cookie_life) 
{
  var today = new Date()
  var expiry = new Date(today.getTime() + cookie_life * 24*60*60*1000)

    var cookie_string =cookie_name + "=" + escape(cookie_value)
    if(cookie_life){ cookie_string += "; expires=" + expiry.toGMTString()}
    cookie_string += "; path=" + "/"
    document.cookie = cookie_string
}

<!--  DELETE  COOKIE -->
function delCookie (NameOfCookie) 
{ 
if (getCookie(NameOfCookie))
    {
        value = "";
        document.cookie = NameOfCookie + "=" + escape(value) +  "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

<!--  LOGIN FORM -->
function login()
{
    CenterWindow("/gurteen/gurteen.nsf/login?OpenForm", "login", 350,200,"");
}

<!--  OPEN EXISTING USERPROFILE FORM -->
function displayuserprofile(url)
{
    win=CenterWindow(url, "userprofile", 620,550,"resizable=yes,scrollbars=yes,toolbar=yes,menubar=yes,status=yes,location=yes,directories=yes");
    win.focus();
}

<!--  OPEN FULL NEW WINDOW -->
function newwindow(winurl)
{
    window.open(winurl, "_blank", "");
}

<!--  OPEN GENERIC SMALL NEW WINDOW -->
function newsmallwindow(winurl)
{
    CenterWindow(winurl, "_blank",600,450,"resizable=yes,scrollbars=yes,toolbar=yes,menubar=yes,status=yes,location=yes,directories=yes");
}

<!--  OPEN VISITOR FORM  -->
function openVisitorForm()
{
  CenterWindow("/gurteen/gurteen.nsf/visitor?OpenForm", "visitor",600,600,"scrollbars=yes");
}

<!--  OPEN MEMBER FORM -->
function openMemberForm()
{
  CenterWindow("/gurteen/gurteen.nsf/Member?OpenForm", "visitor",600,600,"scrollbars=yes");
}

<!--  OPEN TELL A FRIEND FORM -->
function tellFriend(winurl)
{
    CenterWindow(winurl, "tellfriend",480,470,"scrollbars=yes");
}

<!--  OPEN TRACKBACK FORM -->
function trackback(winurl)
{
    CenterWindow(winurl, "trackback",480,400,"scrollbars=yes");
}

<!--  OPEN EMAIL FORM -->
function Email(winurl)
{
    CenterWindow(winurl, "email", 520, 480,"scrollbars=yes");
}

<!--  OPEN BLOG FORM -->
function Blog()
{
   CenterWindow("/gurteen/gurteen.nsf/Blog?OpenForm", "blog", 550,480,"scrollbars=yes");
}

<!--  OPEN CONSULTANCY FORM -->
function Consultancy()
{
   CenterWindow("/gurteen/gurteen.nsf/ConsultancyRequest?OpenForm", "consultancy", 550,480,"scrollbars=yes");
}

<!--  OPEN EVENT REQUEST FORM -->
function EventRequest()
{
   CenterWindow("/gurteen/gurteen.nsf/EventRequest?OpenForm", "eventrequest", 550,480,"scrollbars=yes");
}

<!--  OPEN BOOK REQUEST FORM -->
function BookRequest()
{
   CenterWindow("/gurteen/gurteen.nsf/BookReq?OpenForm", "bookrequest", 550,480,"scrollbars=yes");
}

<!--  OPEN JOB REQUEST FORM -->
function JobRequest()
{
   CenterWindow("/gurteen/gurteen.nsf/JobRequest?OpenForm", "jobrequest", 550,480,"scrollbars=yes");
}

<!--  OPEN COMMENT FORM -->
function comment(winurl)
{
    window.open(winurl, "_blank","resizable=yes,scrollbars=yes,width=600,height=400,left=50,top=50");
}

<!--  OPEN EVENT WINDOW -->
function openEventWindow(winurl)
{
    CenterWindow(winurl,"_blank", 700,450, "scrollbars=yes,toolbar=yes,menubar=yes,status=yes,location=yes,directories=yes,");
}

<!--  OPEN SEARCH WINDOW -->
function openSearchWindow(winurl)
{
   CenterWindow(winurl,"_blank", 700,450, "scrollbars=yes,toolbar=yes,menubar=yes,status=yes,location=yes,directories=yes,");
}

<!--  OPEN AMAZON SEARCH WINDOW can remove? -->
function openAmazonWindow(winurl)
{
    window.open(winurl,"_blank", "resizable=yes,scrollbars=yes,width=700,height=400,toolbar=yes,menubar=yes,status=yes,location=yes,directories=yes,left=40,top=5");
}

<!--  OPEN LEARNING STICKER WINDOW -->
function openStickerWindow(winurl)
{
    window.open(winurl, "sticker", "resizable=yes,scrollbars=no,width=600,height=450,left=100,top=80");
}

<!--  POP-UP VISITOR FORM WINDOW -->
function PopUpVisitorForm()
{

<!--  skip if  a member-->
member = getCookie('member');
if ((member != null) && (member != "")) {return null};

<!--  skip if we already have a username-->
username = getCookie('username');
if ((username != null) && (username != "")) {return null};

<!--  skip if we already have a profilenumber-->
profile = getCookie('profilenumber');
if ((profile != null) && (profile != "")) {return null};

<!--  only pop up once per day -->
visitorpopup = getCookie('visitorpopup');

if (visitorpopup == 'true') {return null};

hits=getCookie('visitorhits');
   if (hits != null && hits != "")
        {
            hits = eval(hits);
           <!--  only pop up once every 8 page hits -->
            if ((hits > 8) && (hits < 50))
              {
                 setCookie('visitorhits',0,3650);
                 setCookie('visitorpopup','true',1);
                 openVisitorForm();
               }           
         }
}

<!--  OPEN DOCUMENT META DATA POP-UP WINDOW -->
function OpenDocDetails(url)
{
    CenterWindow(url,"docdetails",700, 550,"resizable=yes,scrollbars=yes");
}

<!--  OPEN DOCUMENT COPYRIGHT  POP-UP WINDOW -->
function OpenCopyDetails(url)
{
    CenterWindow(url,"copydetails",700, 300,"resizable=yes,scrollbars=yes");
}

<!--  INCREMENTS THE PAGE HIT COUNTER COOKIE -->
function IncrementPageHits()
{
    hits = eval(getCookie('pagehits'));
    hits++;
    setCookie('pagehits',hits,3650);
}

<!--  INCREMENTS THE VISITOR POP-UP COUNTER COOKIE -->
function IncrementVisitorHits()
{
    hits = eval(getCookie('visitorhits'));
    hits++;
    setCookie('visitorhits',hits,3650);
}

<!--  DISPLAYS ALL THE LITTLE COOKIES IN USE -->
function DisplayCookies()
{
username = getCookie('username');
useremail = getCookie('useremail');
companyname = getCookie('companyname');
pagehits = getCookie('pagehits');
visitorhits = getCookie('visitorhits');

document.write("<br><b>Cookie Details</b><br>");
document.write("User Name: " + username);
document.write("<br>");
document.write("Email Address: " + useremail);
document.write("<br>");
document.write("Page Hits: " + pagehits);
document.write("<br>");
}

IncrementPageHits();
IncrementVisitorHits();