block immediately.
// popupOnChange()
// Copys the changed value to the form object
// popupOnClick()
// Ends the popup, refocusing the another object.
// popupOnBlur()
// Hide the popup immediately
//
//_____________________________________________________________________________
// I N I T
// detected flash version
var flashVersion = 0;
// Popup's object pointers
var popupDivObj = 0;
var popupFormObj = 0;
var popupSelectObj = 0;
var popupOffsetX = 0; // this is reset to 0 after each popupXXX()
var popupOffsetY = 0; // this is reset to 0 after each popupXXX()
// IE Fudge - setup getElementById()
if(document.all) {
document.getElementById = function(id) {
return document.all[id];
}
}
// Registerd open window list
var openWindowsList = new Array();
//_____________________________________________________________________________
// C O D E
// ltrim(str)
// Remove leading spaces from string
function ltrim(str)
{
var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(0)) != -1) {
var j=0, i = s.length;
while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
j++;
s = s.substring(j, i);
}
return s;
}
// rtrim(str)
// Remove trailing spaces from string
function rtrim(str)
{
var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
var i = s.length - 1;
while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
i--;
s = s.substring(0, i+1);
}
return s;
}
// trim(str)
// Remove leading and trailing spaces from string
function trim(str)
{
return rtrim(ltrim(str));
}
// pause(milliseconds)
// Pauses execution for so many milliseconds
function pause(milliseconds)
{
var now = new Date();
var exitTime = now.getTime() + milliseconds;
while(true) {
var now = new Date();
if(now.getTime() >= exitTime) break;
}
}
// MAX(a, b)
// Returns the greater
function MAX(a, b)
{
return a > b? a : b;
}
// MIN(a, b)
// Returns the lesser
function MIN(a, b)
{
return a < b? a : b;
}
// setCookie(name, value, lifetime, path, domain)
// Set a cookie on the client machine. lifetime is in seconds.
function setCookie(name, value, lifetime, path, domain)
{
document.cookie = escape(name) + "=" + escape(value) +
(lifetime? ";expires=" + (new Date((new Date()).getTime() + (1000 * lifeTime))).toGMTString() : "" ) +
(path? ";path=" + path : "") +
(domain? ";domain=" + domain : "");
}
// getCookie(name)
// Retrieve a cookie on the chlient machine.
function getCookie(name)
{
if(document.cookie.indexOf(name + "=") > -1) {
cookies = document.cookie.split("; ");
for(i = 0; i < cookies.length; i++) {
pair = coockies[i].split("=");
if(pair[0] == name) return unescape(pair[1]);
}
}
return null;
}
// gotoPage(url)
// Goes to the specified url. Note if you are using the
tag
// then specifying a relative url wont work under internet explorer...
function gotoPage(url)
{
// WARNING!!! This doesn't work in internet explorer when the
// tag is used and you specify a relative url... I need a work around!!!
location.href = url;
}
// URLMangle(text)
// Returns a mangled "url-friendly" version of text.
function URLMangle(text)
{
// characters to allow
chars = "abcdefghijklmnopqrstuvwxyz0123456789_-";
// characters to convert into a "_"
convert = " ";
title = trim((""+text).toLowerCase());
urlname = "";
for(a = 0; a < title.length; a++) {
found = false;
for(b = 0; b < chars.length; b++)
if(chars.charAt(b) == title.charAt(a)) {
urlname += title.charAt(a);
found = true;
break;
}
if(!found) {
for(b = 0; b < convert.length; b++)
if(convert.charAt(b) == title.charAt(a))
urlname += "_";
}
}
return urlname;
}
// drawEmailAddress(scrambled, text)
// draws a mailto link with rot13 of scrambled string. If text != null, it
// is used as the link text.
function drawEmailAddress(scrambled, text)
{
chars = "abcdefghijklmnopqrstuvwxyz";
realaddr = "";
for(a = 0; a < scrambled.length; a++)
if((loc = chars.indexOf(scrambled.charAt(a))) >= 0)
realaddr += chars.charAt((loc + 13) % 26);
else
realaddr += scrambled.charAt(a);
document.write("
" + (text == null? realaddr : text) + " ");
}
// getPosX(obj)
// Get the x-position of an html object.
function getPosX(obj)
{
var curleft = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
}
else if (obj.x)
curleft += obj.x;
return curleft;
}
// getPosY(obj)
// Get the y-position of an html object.
function getPosY(obj)
{
var curtop = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curtop += obj.offsetTop
obj = obj.offsetParent;
}
}
else if (obj.y)
curtop += obj.y;
return curtop;
}
// detectFlashVersion();
// Try to determine if flash is installed, and what version.
function detectFlashVersion()
{
var a, agent = navigator.userAgent.toLowerCase();
// NS3+ and Opera3+: Check plugin array
if (navigator.plugins != null && navigator.plugins.length > 0) {
var flashPlugin = navigator.plugins['Shockwave Flash'];
if (typeof flashPlugin == 'object') {
if (flashPlugin.description.indexOf('7.') != -1) flashVersion = 7;
else if (flashPlugin.description.indexOf('6.') != -1) flashVersion = 6;
else if (flashPlugin.description.indexOf('5.') != -1) flashVersion = 5;
else if (flashPlugin.description.indexOf('4.') != -1) flashVersion = 4;
else if (flashPlugin.description.indexOf('3.') != -1) flashVersion = 3;
}
}
// IE4+ on Win32: Try and create ActiveX object using VBScript
else if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) >= 4 && agent.indexOf("win") != -1 && agent.indexOf("16bit") == -1) {
a = '
\n';
a += 'on error resume next \n';
a += 'dim obFlash \n';
a += 'set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.7") \n';
a += 'if IsObject(obFlash) then \n';
a += 'flashVersion = 7 \n';
a += 'else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.6") end if \n';
a += 'if IsObject(obFlash) then \n';
a += 'flashVersion = 6 \n';
a += 'else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.5") end if \n';
a += 'if flashVersion < 6 and IsObject(obFlash) then \n';
a += 'flashVersion = 5 \n';
a += 'else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.4") end if \n';
a += 'if flashVersion < 5 and IsObject(obFlash) then \n';
a += 'flashVersion = 4 \n';
a += 'else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.3") end if \n';
a += 'if flashVersion < 4 and IsObject(obFlash) then \n';
a += 'flashVersion = 3 \n';
a += 'end if';
a += ' \n';
document.write(a);
}
// WebTV 2.5 supports flash 3
else if (agent.indexOf("webtv/2.5") != -1) flashVersion = 3;
// older WebTV supports flash 2
else if (agent.indexOf("webtv") != -1) flashVersion = 2;
}
// checkChars(str, cvalid, cinvalid)
// Returns a list of invalid characters in str, or "" if it's ok. cvalid is
// a string of all valid characters. If it is empty, cinvalid is instead
// used as a string of all invalid characters.
function checkChars(str, cvalid, cinvalid)
{
ret = "";
if(str == null || cvalid == null || (cvalid == "" && cinvalid == null)) {
alert("JavaScript Error: validateChars(): Bad argument!");
return "";
}
if(cvalid != "") {
for(a = 0; a < str.length; a++)
if(cvalid.indexOf(str.charAt(a)) < 0)
ret += str.charAt(a);
}
else {
for(a = 0; a < cinvalid.length; a++)
if(str.indexOf(cinvalid.charAt(a)) >= 0)
ret += cinvalid.charAt(a);
}
return ret;
}
// pageInit()
// Call from page onload.
function pageInit()
{
if(document.onloadfunc)
document.onloadfunc();
}
// pageCleanup()
// Call from page onunload
function pageCleanup()
{
closeRegisteredWindows();
}
// openWindow(w, h, url)
// Open a popup window.
function openWindow(w, h, url, name)
{
win = window.open(url, name, 'width='+w+',height='+h+',status=no,location=no,menubar=no,toolbar=no,resizable=yes,scrollbars=yes');
win.focus();
if(!win.opener) win.opener = self;
return win;
}
// openImagePreview(imgurl, w, h)
// Open a window and previews the specified image in it.
function openImagePreview(imgurl, w, h)
{
win = window.open('about:blank', name, 'width='+(w + 20)+',height='+(h + 20)+',status=no,location=no,menubar=no,toolbar=no,resizable=no,scrollbars=auto');
win.focus();
registerWindowToClose(win);
html = '' +
'
';
win.document.write(html);
}
// registerWindowToClose(win)
// Adds the window to a list of windows to try and close when the page is
// changed (unloaded).
function registerWindowToClose(win)
{
for(var a = 0; a < openWindowsList.lengh; a++)
if(openWindowsList[a] == win) return;
openWindowsList[openWindowsList.length] = win;
}
// closeRegisteredWindows()
// Call from onunload in (or manually) to close registered windows
function closeRegisteredWindows()
{
for(var a = 0; a < openWindowsList.length; a++)
if(openWindowsList[a]) openWindowsList[a].close();
}
// selectCtrlClear(ctrl)
// Clears all options in a
control.
function selectCtrlClear(ctrl)
{
while(ctrl.options.length) ctrl.options[0] = null;
}
// selectCtrlAppend(ctrl, value, [option])
// Appends an option to a control. If value is unspecified, the
// option string is used for the value also.
function selectCtrlAppend(ctrl, value, option)
{
ctrl.options[ctrl.options.length] = new Option(option == null? value : option, value);
}
// selectCtrlSelect(ctrl, value)
// Selects the given in a control.
function selectCtrlSelect(ctrl, value)
{
for(a = 0; a < ctrl.options.length; a++)
if(ctrl.options[a].value == value) {
ctrl.selectedIndex = a;
break;
}
}
// selectCtrlExists(ctrl, value)
// Returns true if the given in a control exists.
function selectCtrlExists(ctrl, value)
{
for(a = 0; a < ctrl.options.length; a++)
if(ctrl.options[a].value == value)
return true;
return false;
}
// selectCtrlBuildList(ctrl)
// Returns a string list of the comma separated values of all s in
// a control.
function selectCtrlBuildList(ctrl)
{
ret = ""; sep = "";
for(a = 0; a < ctrl.options.length; a++) {
ret += sep + ctrl.options[a].value;
sep = ", ";
}
return ret;
}
// validateRequired(ctrl, [desc])
// Success when control contains some data. desc is a description of the
// field for the error message (eg, "your name").
function validateRequired(ctrl, desc)
{
if(ctrl == null) {
alert("JavaScript Error: validateRequired(): Null control!");
return true;
}
if(trim(ctrl.value) == "") {
if(desc) alert("Please enter "+desc+"!");
else alert("This is a required field, please enter a value!");
ctrl.focus();
return false;
}
return true;
}
// validateNumber(ctrl, [flags], [llimit, ulimit], [desc])
// Success when control contains a number valid according to the flags.
// The flags string may contain:
// i to ensure number is an integer (not float)
// p to ensure number is positive
// z to ensure number is greater than zero.
// llimit and ulimit are the allowable lower and upper numerical limits.
// desc is a description of the field for the error message (eg, "a year").
function validateNumber(ctrl, flags, llimit, ulimit, desc)
{
allowzero = allownegative = allowfloat = true;
valid = true;
msg = "This value is not valid!";
if(ctrl == null) {
alert("JavaScript Error: validateNumber(): Null control!");
return true;
}
ctrl.value = origstr = str = trim(ctrl.value);
// Work out flags
if(flags != null)
for(a = 0; a < flags.length; a++)
switch(flags.charAt(a)) {
case 'i': allowfloat = false; break;
case 'p': allownegative = false; break;
case 'z': allowzero = false; break;
default:
alert("JavaScript Error: validateNumber(): Bad flags!");
return true; // validation passes
}
// Ignore empty
if(str == "") return true;
// Test for bad characters
chars = "0123456789"; canseedot = allowfloat;
if(str.charAt(0) == "-")
str = str.substr(1);
for(a = 0; a < str.length; a++)
if(chars.indexOf(str.charAt(a)) == -1) {
if(canseedot && str.charAt(a) == ".")
canseedot = false; // allow only one
else
valid = false;
}
// Test number
if(valid) {
res = allowfloat? parseFloat(origstr) : parseInt(origstr);
if(isNaN(res)) valid = false;
if(valid && !allowzero && res == 0) {
valid = false;
msg = "The value cannot be zero!";
}
if(valid && !allownegative && res < 0) {
valid = false;
msg = "The value cannot be negative!";
}
if(valid && llimit != null && ulimit != null) {
if((allowfloat? parseFloat(llimit) : parseInt(llimit)) > res) {
valid = false;
msg = "The value cannot be less than "+llimit+"!";
}
if((allowfloat? parseFloat(ulimit) : parseInt(ulimit)) < res) {
valid = false;
msg = "The value cannot be more than "+ulimit+"!";
}
}
}
// Valid?
if(!valid) {
alert("Please re-enter "+(desc? desc : "this number")+"!\n"+msg);
ctrl.focus();
}
return valid;
}
// validateYear(ctrl)
// Success when control contains a valid year.
function validateYear(ctrl)
{
chars = "0123456789"; valid = true;
if(ctrl == null) {
alert("JavaScript Error: validateYear(): Null control!");
return true;
}
ctrl.value = trim(ctrl.value);
for(a = 0; a < ctrl.value.length; a++)
if(chars.indexOf(ctrl.value.charAt(a)) == -1)
valid = false;
y = ctrl.value;
if(y.length == 2) {
if(0 + y < 20) y = "20" + y;
else y = "19" + y;
}
if(y.length != 4 && y.length != 0) valid = false;
if(!valid) {
alert("Please enter a valid year!");
ctrl.focus();
return false;
}
ctrl.value = y;
return true;
}
// isLeapYear(year)
// Returns the number of days in february for a given year. This is usually
// 29. It is only 28 when the year is divisible by 4, UNLESS it is also
// divisible by 100, BUT NOT where it is also divisible by 400. Follow?
function isLeapYear(year)
{
return (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
}
// validateDate(ctrld, ctrlm, ctrly)
// Success when d/m/y controls contain a valid date.
function validateDate(ctrld, ctrlm, ctrly)
{
var days_in_month = new Array(31, 99, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
if(ctrl == null) {
alert("JavaScript Error: validateDate(): Null control!");
return true;
}
if(trim(ctrld.value) == "" && trim(ctrlm.value) == "" && trim(ctrly.value) == "")
return true;
if(!validateYear(ctrly))
return false;
day = ctrld.value - 0; month = ctrlm.value - 0; year = ctrly.value - 0;
if(month < 1 || month > 12) {
alert("Please enter a valid month!")
ctrlm.focus();
return false;
}
if(day < 1 || (month == 2 && day > (isLeapYear(year)? 29 : 28)) || day > days_in_month[month - 1]) {
alert("Please enter a valid day!")
ctrld.focus();
return false
}
return true
}
// validateEmail(ctrl)
// Success when control contains a valid email address.
function validateEmail(ctrl)
{
if(ctrl == null) {
alert("JavaScript Error: validateEmail(): Null control!");
return true;
}
str = trim(ctrl.value).toLowerCase();
if(ctrl.value != str)
ctrl.value = str;
if(str != "") {
valid = true;
a = ctrl.value.indexOf('@')
if(a < 0 || ctrl.value.indexOf('.', a) < 0 ) {
alert("Please enter a valid email address!");
ctrl.focus();
return false;
}
res = checkChars(ctrl.value.substr(0, a), "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!#$%&'*+-/=?^_`(|)~.");
if(res != "") {
alert("The following characters are not allowed in the first part of an email address: "+res);
ctrl.focus();
return false;
}
res = checkChars(ctrl.value.substr(a + 1), "abcdefghijklmnopqrstuvwxyz0123456789-.");
if(res != "") {
alert("The following characters are not allowed in the domain part of an email address: "+res);
ctrl.focus();
return false;
}
}
return true;
}
// validateSelected(ctrl, [desc])
// Success when control is at index > 0 or there is only one
// to be selected. For multiple-selection controls, index
// must just be greater than -1 (no selection). desc is a description of
// the field for the error message (eg, "your gender").
function validateSelected(ctrl, desc)
{
valid = true;
if(ctrl == null) {
alert("JavaScript Error: validateSelected(): Null control!");
return true;
}
if(ctrl.multiple && ctrl.selectedIndex < 0) valid = false;
if(!ctrl.multiple && ctrl.selectedIndex < 1 && ctrl.options.length > 1) valid = false;
if(!valid) {
if(desc) alert("Please select "+desc+"!");
else alert("Please make a selection!");
ctrl.focus();
return false;
}
return true;
}
// validatePasswords(ctrl1, ctrl2)
// Seccuess when both password controls contain the same value.
function validatePasswords(ctrl1, ctrl2)
{
if(ctrl1 == null || ctrl2 == null) {
alert("JavaScript Error: validatePasswords(): Null control!");
return true;
}
if(ctrl1.value != ctrl2.value) {
alert("The two passwords you have entered are different!");
ctrl2.focus();
return false;
}
return true;
}
// validatePasswordDiffers(pwctrl, otherctrl, desc)
// Success when the password is not the same as any word in the other
// control. Case is irrelevant. desc is a description of the field for the
// error message (eg, "your gender").
function validatePasswordDiffers(pwctrl, otherctrl, desc)
{
if(pwctrl == null || otherctrl == null) {
alert("JavaScript Error: validatePasswordDiffers(): Null control!");
return true;
}
passwd = trim(pwctrl.value).toLowerCase();
words = otherctrl.value.split(" ");
if(passwd != "")
for(a = 0; a < words.length; a++)
if(words[a] != "" && passwd == words[a].toLowerCase()) {
if(desc) alert("The password is too similar to "+desc+"!\n\nPlease choose another.");
else alert("The password is too similar to other information!\n\nPlease choose another.");
pwctrl.focus();
return false;
}
return true;
}
// popupTable(anchorobj, name)
// call to make a block (called 'div'+name) visible. It must contain
// a
called 'tbl'+name. It is positioned centrally over anchorobj's
// co-ordinates (note anchorobj's style *must* have "position: relative;"
// specified!).
function popupTable(anchorobj, name)
{
popupHide();
tobj = document.getElementById('tbl' + name)
popupDivObj = document.getElementById('div' + name)
popupFormObj = popupSelectObj = 0;
if(!tobj || !popupDivObj) {
popupOffsetX = popupOffsetY = 0; // Reset offset
alert("JavaScript Error: popupTable(): Couldn't find object!");
return false;
}
// Popup
if(popupOffsetX == -1) desiredx = MAX(0, document.body.clientWidth - tobj.offsetWidth) / 2;
else if(popupOffsetX == -2) desiredx = MAX(0, getPosX(anchorobj) + (anchorobj.offsetWidth - tobj.offsetWidth) / 2);
else desiredx = getPosX(anchorobj) + popupOffsetX;
if(popupOffsetY == -2) desiredy = MAX(0, getPosY(anchorobj) + (anchorobj.offsetHeight - tobj.offsetHeight) / 2);
else desiredy = getPosY(anchorobj) + popupOffsetY;
popupDivObj.style.left = MAX(desiredx, 0);
popupDivObj.style.top = MAX(MIN(desiredy, MAX(document.body.scrollHeight, document.body.clientHeight) - tobj.offsetHeight), 0)
popupDivObj.style.visibility = "visible";
popupOffsetX = popupOffsetY = 0; // Reset offset
return false;
}
// popupSelector(anchorobj, name, formobj)
// call to make a block (called 'div'+name) visible. It must contain
// a
called 'tbl'+name, and within that, a called 'sel'+name.
// It is positioned centrally over anchorobj's co-ordinates (note anchorobj's
// style *must* have "position: relative;" specified!). 'formobj' is the name
// of the object that will recieve the 's value as it changes.
function popupSelector(anchorobj, name, formobj)
{
popupHide();
tobj = document.getElementById('tbl' + name);
popupDivObj = document.getElementById('div' + name);
popupSelectObj = document.getElementById('sel' + name);
popupFormObj = formobj;
if(!tobj || !popupDivObj || !popupSelectObj) {
popupOffsetX = popupOffsetY = 0; // Reset offset
alert("JavaScript Error: popupSelector(): Couldn't find object!");
return false;
}
popupSelectObj.selectedIndex = -1; // Deselect before popping up
desiredx = getPosX(anchorobj) - tobj.offsetWidth + 20 + popupOffsetX;
desiredy = getPosY(anchorobj) + anchorobj.offsetHeight + popupOffsetY;
popupDivObj.style.left = MAX(desiredx, 0);
popupDivObj.style.top = MAX(desiredy, 0)
popupDivObj.style.visibility = "visible";
// Select *after* popping up to get IE to make selection visible.
if(popupFormObj)
for(a = 0; a < popupSelectObj.options.length; a++)
if(popupSelectObj.options[a].text.toLowerCase() == popupFormObj.value.toLowerCase()) {
// popupSelectObj.selectedIndex = a;
setTimeout("popupSelectObj.selectedIndex = " + a, 10);
break;
}
popupSelectObj.focus();
popupOffsetX = popupOffsetY = 0; // Reset offset
return false;
}
// popupHide()
// Call to hide the current block immediately.
function popupHide()
{
if(popupDivObj) {
popupDivObj.style.visibility = "hidden";
popupDivObj.style.left = 0; // Move back to (0, 0) so browsers dont include
popupDivObj.style.top = 0; // hidden
in scrollbar page size calculations.
popupDivObj = 0;
}
}
// popupOnChange()
// Copys the changed value to the form object
function popupOnChange()
{
if(popupFormObj) popupFormObj.value = popupSelectObj.value;
}
// popupOnClick()
// Ends the popup, refocusing the another object.
function popupOnClick()
{
popupHide();
if(popupFormObj) popupFormObj.focus();
popupOnClickSetFocus = true;
}
// popupOnBlur()
// Hide the popup immediately
function popupOnBlur()
{
popupHide();
if(popupFormObj) popupFormObj.focus();
}