/********************
*
* PUBLIC.JS
* Javascript for public webpages
*
********************/
IsMSIE = navigator.appVersion.indexOf('MSIE') != -1;
/////////////////////////////////////////////////////////
// GENERAL AJAX FUNCTIONS
/////////////////////////////////////////////////////////
// CREATES AJAX CONNECTION
// VOID()
function AJAX_initConn() {
// Open IE connection
if (IsMSIE)
AJAXHTTPObj = new ActiveXObject("Microsoft.XMLHttp");
// Open connection for any other browser
else
AJAXHTTPObj = new XMLHttpRequest;
// Return object
return AJAXHTTPObj;
}
AJAX_initConn();
// SENDS A GET REQUEST
// (STRING url, BOOL use GET/POST [0 = POST, 1 = GET], OBJ ajax http object [leave blank to use default])
function AJAX_sendRequest(UseGET, url, EvalCodeFromResponse, EvalCodeAfterOpen, GETVarStrForPostSubmit, Alt_AJAXHTTPObj) {
// Which HTTP obj to use?
UseAJAXHTTPObj = (Alt_AJAXHTTPObj)?Alt_AJAXHTTPObj:AJAXHTTPObj;
// Generate URL
if (url.indexOf('?') == 0)
url = getScriptName() + url;
// Make sure AJAX conn. obj is set
if (typeof UseAJAXHTTPObj != "undefined") {
// Sending POST request - split the URL
if (!UseGET) {
url_array = url.split('?');
url = url_array[0] + ((GETVarStrForPostSubmit)?'?' + GETVarStrForPostSubmit:'');
QueryStr = url_array[1];
}
else
QueryStr = null;
// Open GET connection and send NULL to start server-side processing...
UseAJAXHTTPObj.open((UseGET)?'GET':'POST', url, true);
if (EvalCodeAfterOpen)
eval(EvalCodeAfterOpen);
if (!UseGET)
AJAXHTTPObj.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
UseAJAXHTTPObj.send(QueryStr);
// On state change, check for ready state and return response text (if any)
UseAJAXHTTPObj.onreadystatechange = function() {
if (UseAJAXHTTPObj.readyState == 4) {
response = UseAJAXHTTPObj.responseText;
if (EvalCodeFromResponse != null)
eval(EvalCodeFromResponse);
else
return response;
return;
}
}
}
}
// Gets the name of script/page from a url
function getScriptName(OverrideURL, IncludeQueryStr) {
UseURL = (OverrideURL)?OverrideURL:document.location.href;
UseURL = UseURL.replace(/#.*/, '');
QueryStrExists = UseURL.indexOf('?') != -1;
QueryStr = '';
if (QueryStrExists) {
QueryStr = UseURL.substr(UseURL.indexOf('?'));
UseURL = UseURL.substr(0, UseURL.indexOf('?'));
}
if (!QueryStrExists || IncludeQueryStr)
return UseURL.substr(UseURL.lastIndexOf('/')+1) + QueryStr;
else if (QueryStrExists)
return UseURL.substr(UseURL.lastIndexOf('/')+1);
}
// GETS A SPECIFIED GET VARIABLE FROM A GIVEN OR CURRENT URL
function fetchGETVar(GETVar, OverrideURL) {
// Figure out what URL to use and then parse out the unnecessary parts
UseURL = (OverrideURL)?OverrideURL:document.location.href;
if (UseURL.indexOf('?') != -1 && UseURL.indexOf(GETVar) != -1) {
URLArray = UseURL.split('?');
QueryStrArray = URLArray[1].split('&');
// Set array of get vars
GETVarArray = new Array(QueryStrArray.length);
// Set the array values
for (i in QueryStrArray) {
CurrentVarSplit = QueryStrArray[i].split('=');
CurrentVarName = CurrentVarSplit[0];
CurrentVarValue = CurrentVarSplit[1];
eval('GETVarArray[\'' + CurrentVarName + '\'] = CurrentVarValue;');
}
if (GETVar)
return GETVarArray[GETVar];
}
else
return null;
}
/////////////////////////////////////////////////////////
// GENERAL PUBLIC FUNCTIONS
/////////////////////////////////////////////////////////
// Opens preview image
/*
function openImgPreview(ImgURL, ImageW, ImageH) {
WinDoc = window.open('', 'ImgPreviewWin', 'width=' + (ImageW + 50) + ',height=' + (ImageH + 75) + ',scrollbars,status');
with (WinDoc.document) {
open();
write('Enlarged Image');
write('');
write('
');
write('(click anywhere to close window)');
write('');
close();
}
}
*/
// Generates email address safe from harvesters
function generateAntiSpiderEmail(Username, DomainName, TLD, OutputText, NoLink) {
EmailAddress = Username + "@" + DomainName + "." + TLD;
OutputText = ((OutputText)?OutputText:EmailAddress);
document.write((NoLink)?OutputText:"" + OutputText + "");
}
// Toggles the css 'display' property between 'none' and 'block'
function toggleCSSdisplay(Obj) {
CurrentDisplay = Obj.style.display;
Obj.style.display = (CurrentDisplay == 'none' || CurrentDisplay == '')?'block':'none';
}
// ASSIGNS A JAVASCRIPT EVENT TO A SPECIFIED OBJECT ACCORDING TO THE BROWSER
function setEvent(Obj, Event, Action) {
// For IE, use attachEvent
if (IsMSIE) {
eval("Obj.attachEvent('" + Event.toLowerCase() + "', function() { " + Action + " });");
}
// For proper browsers, simply use setAttribute
else
Obj.setAttribute(Event, Action);
}
// Function to create image overlay
function enlargeImg(ImgSrc, ImgLabel, ImgIndex, Surfing) {
with (document) {
NewContainerDiv = createElement('div');
NewLinksDiv = createElement('div');
NewDisableDiv = createElement('div');
NewImg = createElement('img');
NewXImg = createElement('img');
}
with (NewImg) {
src = ImgSrc;
style.cursor = 'pointer';
style.display = 'block';
TmpLabel = ImgLabel + ' [click to close]';
setAttribute('alt', TmpLabel);
setAttribute('title', TmpLabel);
setAttribute('id', 'MainImg');
}
with (NewXImg) {
src = 'images/x.gif';
style.position = 'absolute';
style.margin = '-30px 0px 0px ' + ((IsMSIE)?NewImg.width:NewImg.width) + 'px';
style.cursor = 'pointer';
setAttribute('width', '30');
setAttribute('height', '35');
setAttribute('alt', 'close');
setAttribute('title', 'close');
setAttribute('id', 'XImg');
}
setEvent(NewImg, 'onClick', 'closeMainImg()');
setEvent(NewXImg, 'onClick', 'closeMainImg()');
if (NewImg.width == 0) {
setTimeout('enlargeImg("' + ImgSrc + '", "' + ImgLabel + '", "' + ImgIndex + '", "' + Surfing + '")', 500);
return;
}
setLeft = (Math.round(document.body.clientWidth / 2)*1)/1 - ((NewImg.width + 10) / 2);
setLeft = (String(setLeft).lastIndexOf('.') != '-1')
?String(setLeft).substr(0, String(setLeft).lastIndexOf('.')):String(setLeft) + 'px';
setTop = String(document.body.scrollTop + 35) + 'px';
with (NewContainerDiv) {
setAttribute('id', 'MainImgContainer');
style.position = 'absolute';
style.top = setTop;
style.left = setLeft;
style.zIndex = '2';
style.background= '#FFFFFF';
style.padding = '15px';
style.marginBottom = '15px';
}
with (NewDisableDiv.style) {
top = '0px';
left = '0px';
width = '100%';
position = 'absolute';
height = String(document.body.scrollHeight) + 'px';
zIndex = '1';
if (IsMSIE) {
//toggleSelectMenuVisibility(true, 'hidden');
filter = 'alpha(opacity=75)';
}
else {
setProperty('-moz-opacity', '.75', '');
setProperty('opacity', '.75', '');
}
}
NewDisableDiv.setAttribute('id', 'DisableDiv');
// Links
with (NewLinksDiv) {
setAttribute('id', 'LinksDiv');
innerHTML
= '';
}
with (document.body) {
if (!Surfing || Surfing == undefined || Surfing == 'undefined')
appendChild(NewDisableDiv);
appendChild(NewContainerDiv);
}
NewContainerDiv.appendChild(NewXImg);
NewContainerDiv.appendChild(NewImg);
if (MoreThanOneImage)
NewContainerDiv.appendChild(NewLinksDiv);
}
// Get previous or next image
function getPrevNext(Direction, CurrentImgIndex) {
AJAX_sendRequest(true,
'?WebPageID=' + fetchGETVar('WebPageID') + '&GetPrevNext=' + CurrentImgIndex + '&Direction=' + Direction,
"if (response.substr(0,7) == 'OUTPUT:') { setPrevNext(response); } else { alert('Error fetching image: ' + response); }");
}
// Set prev/next image according to AJAX response
function setPrevNext(output) {
closeMainImg(true);
ImgData = output.substr(7).split('|');
enlargeImg(ImgData[0], ImgData[1], ImgData[2], true);
}
// Function to close overlay
function closeMainImg(Surfing) {
with (NewContainerDiv) {
removeChild(document.getElementById('MainImg'));
removeChild(document.getElementById('XImg'));
if (MoreThanOneImage)
removeChild(document.getElementById('LinksDiv'));
}
with (document.body) {
if (!Surfing)
removeChild(document.getElementById('DisableDiv'));
removeChild(document.getElementById('MainImgContainer'));
}
}
// opacity() and changeOpac() functions from http://brainerror.net/scripts/javascript/blendtrans/
function opacity(id, opacStart, opacEnd, millisec) {
var speed = Math.round(millisec / 100);
var timer = 0;
//determine the direction for the blending, if start and end are the same nothing happens
if(opacStart > opacEnd) {
for(i = opacStart; i >= opacEnd; i--) {
setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
timer++;
}
setTimeout("document.getElementById('" + id + "').style.display = 'none'", FadeTime + 1);
} else if(opacStart < opacEnd) {
for(i = opacStart; i <= opacEnd; i++)
{
setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
timer++;
}
document.getElementById(id).style.display = 'block';
}
}
// change the opacity for different browsers
function changeOpac(opacity, id) {
var object = document.getElementById(id).style;
object.opacity = (opacity / 100);
object.MozOpacity = (opacity / 100);
object.KhtmlOpacity = (opacity / 100);
object.filter = "alpha(opacity=" + opacity + ")";
}