Develop Reference

I want to change the image source of a single cell of a table in html

<tr><!-- 8 -->
<td id = "8A"><!-- A -->
<img src="Media/empty_square_white.png" height="160px" width ="160px">
</td>
...
<script>
function changeSource(){
document.getElementById("8A").src="empty_square_brown.png";
}
</script>
<button onclick="changeSource">change</button>
This is what I have tried to do however when I press the button nothing seems to happen. I have also tried to do this without the button however that didn't seem to work either, I have defined the id using internal CSS as well. Thanks

Your id references to the surrounding td which has no attribute src. You need to set the id on the img element or reference to the child element.
Also your new value "empty_square_brown.png" is missing the path which is set in the original source "Media/" and the onclick call needs the function brackets. Here some working example. With a title attribute to show the effect.
<tr><!-- 8 -->
<td><!-- A -->
<img id="8A" src="Media/empty_square_white.png" height="160px" width ="160px" title="empty_square_white.png">
</td>
...
<script>
function changeSource(){
document.getElementById("8A").src="Media/empty_square_brown.png";
document.getElementById("8A").title="empty_square_brown.png";
}
</script>
<button onclick="changeSource()">change</button>

You may try this.
function changeImg(){
document.getElementById("image").src = "https://images.unsplash.com/photo-1581618048854-b2f6f877cef3?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=870&q=80"
}
img{
width:50px;
height:50px;
}
<table border=1>
<tr>
<td >
<img id="image" src="https://images.unsplash.com/photo-1626285094808-143d7bb02f14?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=870&q=80" alt="" onclick="changeImg()">
</td>
<td>
<img src="#" alt="">
</td>
</tr>
</table>

Making a link from an animation (on hover) run by javascript in a tabular layout

I have the following code, a simple three column layout with an animation running on hover in each.
The animation works fine, but I cannot make the animation button a link. It has the image as the link, and if I change the href, it fails (which makes sense) but I cannot figure out where to add the link in.
<table style="width: 100%;" border="0">
<tbody>
<tr>
<td>
<a href="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-children-anim.gif" target="_blank">
<img src="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-children.gif"
data-orig="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-children.gif" width="323" height="323"></a>
</td>
<td>
<a href="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-teenagers-anim.gif" target="_blank"><img src="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-teenagers.gif"
data-orig="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-teenagers.gif" width="323" height="323"></a>
</td>
<td>
<a href="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-parents-anim.gif" target="_blank"><img src="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-parents.gif"
data-orig="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-parents.gif" width="323" height="323"></a>
</td>
</tr>
</tbody>
</table>
Run by the following javascript.
<script type="text/javascript">
$(function(){
$('table a img').hover(function(){
// on mouse enter
var customdata = $(this).parent().attr('href');
$(this).attr('src',customdata);
}, function(){
// on mouse leave
$(this).attr('src',$(this).attr('data-orig'));
});
});
</script>
Is on page here Link to homepage of site.

Your question is confusing.. I'm not sure what link you actually want or why your current implementation is wrong. I'm going to assume that you don't want a link to an image as the actual link. If that assumption is right, here's your answer...
<table style="width: 100%;" border="0">
<tbody>
<tr>
<td>
<a href="[Your Link Goes Here]" target="_blank">
<img
src="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-children.gif"
data-img="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-children.gif"
data-animation="http://www.gloshospitals.nhs.uk/templates/standard/images/paeds/for-children-anim.gif"
width="323" height="323"></a>
</td>
</tr>
</tbody>
</table>
<script type="text/javascript">
$(function(){
$('table a img').hover(function(){
var element = $(this);
var animateUrl = element.data('animation');
element.attr('src', animateUrl);
}, function(){
var element = $(this);
var staticImage = element.data('img');
element.attr('src', staticImage);
});
});
</script>

Adding HTML slideshow to multiple pages (without using frames)

I am new to the site (and coding) so please bear with me!
I am trying to add the following clickable slideshow to my site in a way that means I can change the images in one file (HTML or JS) and this be reflected on every page on which the slideshow is called:
<table border="0" cellpadding="0">
<td width="100%">
<img src="image1.bmp" width="200" height="200" name="photoslider"></td>
</tr>
<tr>
<td width="100%">
<form method="POST" name="rotater">
<div align="center">
<center><p>
<script language="JavaScript1.1">
var photos=new Array()
var text=new Array()
var which=0
var what=0
photos[0]="image1.bmp"
photos[1]="image2.bmp"
photos[2]="image3.bmp"
text[0]="Image One"
text[1]="Image Two"
text[2]="Image Three"
window.onload=new Function("document.rotater.description.value=text[0]")
function backward(){
if (which>0){
window.status=''
which--
document.images.photoslider.src=photos[which];
what--
document.rotater.description.value=text[what];
}
}
function forward(){
if (which<photos.length-1){
which++
document.images.photoslider.src=photos[which]
what++
document.rotater.description.value=text[what];
}
else window.status='End of gallery'
}
function type()
{
alert("This textbox will only display default comments")
}
</script>
<p><input type="text" name="description" style="width:200px" size="50">
<p><input type="button" value="<<Back" name="B2"
onClick="backward()"> <input type="button" value="Next>>" name="B1"
onClick="forward()"><br />
</p>
</center>
</div>
</form>
</td>
</tr>
Currently I have used:
<script type="text/javascript" src="images.js"></script>
in the relevant html div. to call a simple .js file which displays the images in one long list, e.g.
document.write('<p>Image One</p>')
document.write('<img src="image1small.png" alt=Image One; style=border-radius:25px>')
document.write('<p>Image Two</p>')
document.write('<img src="image2small.png" alt=Image Two; style=border-radius:25px>')
I have tried every way I can think of, and searched many posts on here to try and get the slideshow to display within the same div. I have copied the html code into the .js file and appended it with document.write on every line, I have tried / on every line, I have tried 'gettingdocument.getElementById', but nothing works!
The slideshow code itself is fine; if I put this directly onto each page then it works correctly, I just can't seem to 'link' to this code and have it run so anything appears.
Please provide the simplest possible solution for this, without any need to install jquery plugins, or use anything other than basic HTML and JS.

There were alot of small bugs, i fixed them for you. you didn't put a semicolon after your javascript statements, tey aren't neccesary but it's cleaner code, you didn't exit alot of html tags
<table border="0" cellpadding="0">
<tr>
<td width="100%">
<img src="image1.bmp" width="200" height="200" name="photoslider">
</td>
</tr>
<tr>
<td width="100%">
<form method="POST" name="rotater">
<div align="center">
<center>
<p>
<p id="description" style="width:200px" size="50"></p>
<p><a onClick="backward()"><img src="imageback.png" alt="back" />Back Image</a>
<p><a onClick="forward()"><img src="forward.png" alt="forward" />Forward Image</a>
</p>
</center>
</div>
</form>
</td>
</tr>
Javascript:
(function() {
var photos=[];
var text= [];
var which=0;
var what=0;
photos[0]="image1.bmp";
photos[1]="image2.bmp";
photos[2]="image3.bmp";
text[0]="Image One";
text[1]="Image Two";
text[2]="Image Three";
document.getElementById('description').innerHTML = text[0]
backward = function(){
if (which>0){
which--;
window.status='';
what--;
console.log(which);
document.images.photoslider.src=photos[which];
document.getElementById('description').innerHTML = text[what];
}
}
forward = function(){
if (which < (photos.length-1)){
which++;
console.log(which);
document.images.photoslider.src=photos[which];
what++;
document.getElementById('description').innerHTML = text[what];
}
else {
document.getElementById('description').innerHTML = 'End of gallery';
}
}
function type()
{
alert("This textbox will only display default comments")
}
})();
And last but not least i've created the fiddle to show you it's working:
http://jsfiddle.net/45nobcmm/24/

You can create a javascript file that search for an element and change the innerHTML of the element to the slideshow you want to show.
For example this could be the script:
var slideshow = document.getElementById('slideshow');
slideshow.innerHTML = 'Your slideshow html';
and your main html page should have a slideshow div.
but you need to know that it's not the best solution, you should learn PHP or another back-end language and than you could use include('page.html'); for example

How to use VBA to click a image link on a website?

I'm trying to pull documents from an internal website for multiple accounts at a time.
I'm using VBA in Excel 2010. I created the code to login and navigate until I get to the part where I need to click an image button.
Below is the related source code. First there is a function:
<script language="javascript" type="text/javascript">
<!--
function __doPostBack(eventTarget, eventArgument) {
var theform;
if (window.navigator.appName.toLowerCase().indexOf("microsoft") > -1) {
theform = document.Form1;
}
else {
theform = document.forms["Form1"];
}
theform.__EVENTTARGET.value = eventTarget.split("$").join(":");
theform.__EVENTARGUMENT.value = eventArgument;
theform.submit();
}
// -->
</script>
And then skipping down there is this block of code where "Print.gif" is the button to click:
<LINK rel="stylesheet" type="text/css"
href="/crystalreportviewers10/css/default.css">
<table id="CrystalReportViewer1" cellpadding="0" cellspacing="0"
style="height:1043px;width:901px;Z-INDEX: 101;LEFT: 8px; POSITION: absolute; TOP: 8px">
<tr><td>
<div style="width: 901px; height: 1043px;position:relative">
<div style="height:30px;width:901px;top:0px;left:0px;">
<table class="crtoolbar" cellspacing=0 cellpadding=0><tr nowrap>
<td nowrap width=16> </td>
<td nowrap width=24px>
<input type="image" name="CrystalReportViewer1:_ctl2:_ctl0"
title="Show/Hide Group Tree"
onmouseover="this.src='/crystalreportviewers10/images/toolbar/grouptree_over.gif'"
onmouseout="this.src='/crystalreportviewers10/images/toolbar/grouptree.gif'"
src="/crystalreportviewers10/images/toolbar/grouptree.gif" alt="" border="0"
style="height:24px;width:24px;" /></td>
<td nowrap width=16> </td>
<td nowrap width=24px>
<img title="Print"
onclick="javascript:__doPostBack('CrystalReportViewer1:_ctl2:_ctl3','')"
onmouseover="this.src='/crystalreportviewers10/images/toolbar/print_over.gif'"
onmouseout="this.src='/crystalreportviewers10/images/toolbar/print.gif'"
src="/crystalreportviewers10/images/toolbar/print.gif" alt="" border="0"
style="height:24px;width:24px;" /></td>
I've tried a few different ways to fire the "onclick" but I'm having trouble because it looks like it passes to the above function to navigate to the correct page. So far I've tried:
For Each obj In IE.Document.all
' MsgBox obj.innerHTML
If InStr(obj.innerHTML, "Print") > 0 Then
obj.Click
' Exit For
End If
Next
or
For Each obj In IE.Document.all
If obj.Name = "Print" Then
obj.Click
Exit For
End If
Next
and a couple variations that have failed me so far. Any help on this would be great. Thanks.

Try below code and let us know the results.
For Each obj In ie.document.all
If InStr(obj.innerHTML, "Print") > 0 Then
obj.document.parentWindow.execScript "javascript:__doPostBack('CrystalReportViewer1:_ctl2:_ctl3','')"
End If
Next
OR
For Each obj In ie.document.all
If InStr(obj.innerHTML, "Print") > 0 Then
obj.Click
obj.FireEvent ("onclick")
End If
Next

Cannot access Preview button in Report View from button in DIV on same ASPX page

<div id='popup'>
<input id='btnConfirm'/>
</div>
$("#btnConfirm").click(function () {
var frame = $('#[id$=ReportViewer1ParameterArea]'); //get the frame
//s57 is a table element in the viewer
frame.contents().find("#Preview")
.click(
function () {
alert('hover!');
}
);
});
Below is part of the HTML rendered by Telerik Report Viewer
<iframe id="ctl00_ctl00_MainContent_MainContent_ReportViewer1ParametersArea" scrolling="auto" width="100%" height="0px" frameborder="0" align="left" src="/Telerik.ReportViewer.axd?instanceID=0001be3494c046c69b091014203c2914&culture=en-US&uiculture=en-US&optype=Parameters" style="height: 26px;">
<table id="parametersTable" cellspacing="0" cellpadding="0" border="0" style="width:100%;border-collapse:collapse;">
<tr id="parametersRow">
<td valign="middle" align="center" rowspan="2">
<input id="Preview" type="submit" onclick="return ParametersPage.Validate();" value="Preview" name="Preview">
</td>
</tr>
Question :
I need to access the Preview button ID="Preview" in the Report Viewer from a DIV that contains button with ID= btnConfirm on the ASPX page as given above in the JQuery script. The ASPX page contains the Telerik Report Viewer. I put code in the
$("#btnConfirm").click(function () event but that does not work. Can you give me ideas please?

Try using this selector:
var frame = $('[id$="ReportViewer1ParameterArea]"');
Removing the # and adding quotes " around the value.

The below code is what I developed to make my code work:
var reportFrame = document.getElementById('ctl00_ctl00_MainContent_MainContent_ReportViewer1ParametersArea');
var reportDocument = reportFrame.contentWindow.document;
var body = reportDocument.getElementsByTagName("body")[0];
$(body).contents().find("#Preview").click();