Javascript Rollovers

Feb 2, 2004

Im working on my moms website and had this crazy idea to have rollover images for buttons.

The thing is the "mouseover" images seem to just starting to load when you hover over the link which ruins the whole effect.I used different codes, even stuff that was recomended in this forum but nothing works. ok this is what gets me: I uploaded the same page to 2 other servers and my rollovers work just fine there. Code:

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Applying CSS Styles To Javascript Rollovers

Jan 19, 2007

Without using CSS styles or linked stylesheets, I need to apply
formatting to text links that use rollover effects.

I can NOT get the underline to show using this technique:

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Rollovers..

Jul 23, 2005

I was having a problem with rollovers, even though I do
them in a very conventional way:

function roll(i) {
document[i].src = eval(i + "_roll.src")
} // in which value passed to function is "name" attr in img tag..

but on my home page, www.francesdelrio.com, I have rollovers like this:

function doRoll(Img,newImage) {
Img.src = newImage.src;
Img.width = newImage.width; // what's the point
Img.height = newImage.height; // of these two?
}
function roll_web() {
doRoll(document.web, web_roll);
} // etc.

I'm just trying to remember why I did it like this, it was a solution
given to me by someone in this ng, I believe the problem might have been
that rollovers were not working in Opera (don't have Opera installed
anymore, can't check it out); does this mean all my other rollovers are
not working in Opera? (if you have Opera, can u pls go to
www.francesdelrio.com/resume in Opera and roll over images near top of
page and see if rollovers work? How prevelant is use of Opera? do I
need to always script taking Opera into account?

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Rollovers Over A Hotspot

Jul 23, 2005

Is it possible to do roll overs over an area of an image. I know you can
setup up a hotspot but can a roll over be done on that particular hotsop.
Additionally, when the image changes on the roll over, can a certain area of
this new image be shown instead of the whole one?

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Why Are My Rollovers So Slow?

Nov 8, 2007

Images are cached by the browser depending on the headers sent by
the server. If the server does not send sufficient information
for the browser to decide the image is cacheable, the browser
will check if the image has been updated every time you change the
src of an image (in some user settings). To overcome this you
must send suitable headers.

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Image Rollovers

Mar 13, 2007

probably one thats been heard often, but i have an onmouseover and onmouseout event, which basically swaps between two images. but how can i also get it to change an image elsewhere on the same page?

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Problem With Rollovers

Aug 6, 2002

I've just built a site for a client (in spanish), it's about 90% finished-I've uploaded it and it looks great on my computer. The problem is that on every other computer I've checked-the left nav rollovers do not work (only on my computer do they work).

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Multiple Rollovers

Jan 18, 2003

I finally got A rollover to work but now I'm having trouble with multiple ones. The first one works fine, but none of the others do, just says that there is an error on the page. Please help as I'm about to go bold from ripping my hair out... I mean everything looks good to me. But I don't know much so here. Code:

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Rollovers Working In All Browsers But IE

Jun 4, 2006

My navigation buttons have rollovers and are working fine in FF, Safari, Netscape, Camino but not in IE.

Not only that but there are some weird dashes appearing between some of the buttons. I do notice that the dashes disappear when I hover the cursor over some of the buttons. Can't figure it out... Code:

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Rollovers Not Working In FF/Chrome, But IE Is Okay?

Aug 29, 2009

I'm really new at JavaScript, but I thought an image map with rollover images would be a relatively basic feat... I have a large map with hotspots over individual states. I want the user to hover over a hotspot and for the main image to change, displaying information for that particular state. I've tried code that other developers have sworn works in all browsers, but still can't get the same functionality in FF or Chrome as I do in IE.

<SCRIPT language="javascript" type="text/javascript">
function swapImage(image) {
var Map = (document.getElementById) ? document.getElementById('MapWest') : (document.images) ?

[code]....

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Optimizing Rollovers Script

May 18, 2003

i have the following javascript code:

<!-- hide from browsers that dont support js
if(document.images)
{
about_over = new Image
about_over.src = "images/btn_about_r.gif"
about_out = new Image
about_out.src = "images/btn_about.gif"

success_over = new Image
success_over.src = "images/btn_success_r.gif"
success_out = new Image
success_out.src = "images/btn_success.gif"
}
// -->

and i am using it from within the html code in a standard way:

<a href="about.php" onMouseOver="document.about.src='images/btn_about_r.gif'" onMouseOut="document.about.src='images/btn_about.gif'"><img src="images/btn_about.gif" name="about" width="56" height="23" alt=""></a></td>

question: i don't know much about javascript. i know that the script above preloads the images but i don't understand why the images reference names ( "about_over", "about_out", etc) do not get utilized within html code. it seems to me that they should be used.

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Best Code To Preload (not For Rollovers Though!)

Nov 3, 2003

I need a preload script that will load say 5 images...but it need not include any coding for rollovers. I have a site that offers some info to read on the index page...so before going into the main site, and I'd like to use the time that the visitor spends on the first page to preload images that are displayed on the next page. Obviously the goal is to speed up the load-time of "page2," while not making it apparent that it's happening on "page 1" ... does that make sense? Code:

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Create Multiple Corresponding Text Rollovers

Dec 8, 2009

i am creating a header for a webpage. the header has two text menus (no images). the first menu (menu A) is like this: link 1a / link 2a / link 3a

the second menu (menu B) is like this:

link 1b
link 2b
link 3b

i would like to use javascript/css to do the following: when you rollover link 1a, three things happen: link 1a changes color, link 1b changes color, and and link 1b adds a line of text (so it reads: link 1b : text 1b)

i would also like- and this is where i am having trouble- for the following to happen: when you rollover link 1b, link 1b changes color and adds the additional text, as well as link 1a changes color.

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Dual/Tri/Quad State Rollovers

Sep 13, 2002

I have seen this quesion asked in various forms but the general idea of the question is "How do I make a rollover image clickable". Usually the asker wants to have the image stay on when clicked. Here is a little script that will do that and more..

This is the main code that goes in the HEAD section of your document.

<script type="text/javascript">
<!--
/**
* Dual/Tri/Quad state rollovers from www.javascript-fx.com
* posted at and available from www.codingforums.com
* You may use this code on any website but please
* leave this comment intact.
*/
var img= new Array();
var di= document.images;
var currOn= null;

function Rollover(imgName, imgOut, imgOver, imgClick, imgClickOut)
{
if(imgClick == null)imgClick = imgOver;
if(imgClickOut == null)imgClickOut= imgClick;

var roll = new Object;

roll.out= imgOut;
roll.over= new Image();
roll.over.src= imgOver;
roll.click= new Image();
roll.click.src= imgClick;
roll.click_out= new Image();
roll.click_out.src = imgClickOut;

img[imgName] = roll;
}
function mOver(imgName)
{
di[imgName].src = (imgName != currOn) ? img[imgName].over.src : img[imgName].click.src;
}
function mOut(imgName)
{
di[imgName].src = (imgName != currOn) ? img[imgName].out : img[imgName].click_out.src;
}
function mClick(imgName)
{
if(currOn != null) di[currOn].src = img[currOn].out;
currOn = imgName;
di[currOn].src = img[currOn].click.src;
}
function mSelect(imgName)
{
mClick(imgName);
mOut(imgName);
}
/*** End the rollover code ***/
//-->
</script>


This is the code to define rollovers and is also placed in the HEAD of your document

<script type="text/javascript">
<!--
Rollover("home", "images/home_off.gif", "images/home_on.gif");
Rollover("email", "images/email_off.gif", "images/email_on.gif");
Rollover("script", "images/script_off.gif", "images/script_on.gif");
Rollover("links", "images/links_off.gif", "images/links_on.gif");
Rollover("special","images/special_off.gif","images/special_on.gif");
//-->
</script>


Where the syntax is
Rollover(Name, offImage, onImage);

Then to use the code in a rollover image the HTML in the BODY of your page should look like this

<A HREF="#"
onClick="mClick('home');"
onMouseOver="mOver('home');"
onMouseOut="mOut('home');"><img name="home"
src="images/home_off.gif" border=0></A><br>

NOTE: The name if the image must match the Rollover name
--- <img name="home"
--- Rollover("home", "images/home_off.gif", "images/home_on.gif");

If you use the script in this form you will get something like this demo
Dual State Rollovers (http://www.javascript-fx.com/post/codeforums/quadroll/QuadState2img.html)
------------------------------------------------------------------------
If you want the clicked image to be a third image you define the rollovers as follows :-

<script type="text/javascript">
<!--
Rollover("home", "images/home_off.gif", "images/home_on.gif", "images/home_clk.gif");
Rollover("email", "images/email_off.gif", "images/email_on.gif", "images/email_clk.gif");
Rollover("script", "images/script_off.gif", "images/script_on.gif", "images/script_clk.gif");
Rollover("links", "images/links_off.gif", "images/links_on.gif", "images/links_clk.gif");
Rollover("special","images/special_off.gif","images/special_on.gif","images/special_clk.gif");
//-->
</script>

Where the syntax is
Rollover(Name, offImage, onImage, clickedImage)

Which results in this demo
Tri State Rollovers (http://www.javascript-fx.com/post/codeforums/quadroll/QuadState3img.html)
------------------------------------------------------------------------------------
If you want to have a clicked image and have that clicked image also have a (different) rollover effect you define the rollovers as follows :-

<script type="text/javascript">
<!--
Rollover("home", "images/home_off.gif", "images/home_on.gif", "images/home_clk.gif", "images/home_clk_off.gif");
Rollover("email", "images/email_off.gif", "images/email_on.gif", "images/email_clk.gif", "images/email_clk_off.gif");
Rollover("script", "images/script_off.gif", "images/script_on.gif", "images/script_clk.gif", "images/script_clk_off.gif");
Rollover("links", "images/links_off.gif", "images/links_on.gif", "images/links_clk.gif", "images/links_clk_off.gif");
Rollover("special","images/special_off.gif","images/special_on.gif","images/special_clk.gif","images/special_clk_off.gif");
//-->
</script>

Where the syntax is:

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Disjoint Rollovers With Image And Text

Aug 9, 2006

I am trying to create some rollovers using the following scenario. I have four groups, letís say hearts, diamonds, clubs and spades. Each of these groups have a varied amount of members. For each group, there is a short description of what the group is supposed to do, and then thumbnails of each of the members.

To the right of the thumbnails is an image that holds a standard image, but would change to the enlarged picture of the member when the mouse is over the member's thumbnail, and below that image is another area which will hold the person name and position if any within that group. Basically there are four rollover groups. I can do the rollover for an image okay as in this code, adding more variables and images as necessary using something like this. Code:

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Rollovers Plus Onclick Image Swaps

Mar 25, 2007

I am not very well versed in js, but am attempting to figure this out. (Gotta start somewhere, right?) I want this to be unobtrusive js, if possible with no js specifics in the html (though additional or changes to classes/IDs would be fine). I've started with PPK's mouseover script, which is working just fine. To this, I want to add some onclick behaviors. Code:

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JQuery :: Use Image Rollovers Instead Of The Default Text?

Jun 26, 2009

Is it possible to use image rollovers instead of the default text that comes with the plugin? [URL]

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Multi-dimensional Arrays With Image Rollovers

Aug 9, 2006

I'm trying to get rollover images to work that are a little more complex than usual. I have a webpage that presently gives information on four groups within an organization. I've put each group within its own div with an id. The div contains a short description of what the group does, thumbnails pictures of each member of the group, and to the right of these thumbnails, a larger picture. This larger picture is supposed to change, when ever the mouse is over a thumbnail to a normal size picture of the thumbnail, for the first part.

I tried to put in a script that will preload all the original images that should be changed. First I created an array with all the names of the divs, then used two for loops, one nested inside the other to get the pictures into the array. Tried to get the names of the array to hold the pictures from the first array with the names (inames), using a two dimensional array (used an example from a post on this forum) but it seemed to have gone astray, as the onmouseover doesn't work. Code:

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Set Up Products Page With Swatch Rollovers And Detailed Views?

Nov 3, 2009

Ultimately I'd like a set up resembling http://shop.lululemon.com/Swift_Tank...30/p/1230.html

Where you're able to click a swatch color and get a thumbnail of it on the model and a thumbnail of a fabric detail that you could then enlarge. I'm not sure how to go about this. I'm able to do it with one thumbnail, where when you rollover the various swatch colors, the thumbnail of the model gets replaced. However I'm unable to add in the 2 other thumbnails (on that site they're using 3 but I would only need 2) that would change at the same time, where you could switch back and forth from at detail of the model and the fabric.

I don't necessarily need the zoom function, but if it is possible to do all of those that would be good too.Otherwise I just need help coding how to at least get the swatches to change 3 images upon mouseover and that 2 of those images would be like the 3 thumbnails on the link above and would replace the larger thumbnail once clicked.

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Show / Hide Button That I'd Like To Change Text & Add Rollovers

May 20, 2011

I have a button on the left, part way down that says "show/hide resume" How could I.

1) make the text read either "show" or "hide" when the button is clicked?
2) put a rollover effect on the button (simple text-shadow)

I've tried finding tutorials, but they are all for other types of buttons (submit, etc)Should I be using a different type of button?

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JQuery :: MIT-Licensed Solution To Image Swaps And Disjointed Rollovers?

Jan 19, 2011

Does anyone know of a good MIT-Licensed, or MIT-style image swap and disjointed rollover solution? All the ones I've seen are either GPL or personal-use only. The examples of img replacement scripts I've seen on stackoverflow are either only for personal use (I believe every example on the site is personal only, unless stated?), or too narrow in scope.

Any help would be great as the docs.jquery.com site has great demos on almost everything except how to swap images. I don't mind if its a block of code or a plugin, although preferrably something small and simple would be great.

It sounds like a big ask, but I thought I would ask as this place is super-friendly, unlike some of the other js libraries' forums' I've been to.

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JQuery :: Creating An Array - Wordpress To Display Custom Fields For Rollovers

Jan 25, 2011

I'm using jquery with wordpress to display custom fields for rollovers.

The issue that I'm having is that I'm using the same div class to dynamically pull images from custom fields with in a post. when I do this, every time I rollover one image all the images switch to their rollover state. I figure I need an array to get them to function individually.

<?php

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Dynamically Writing Html/javascript From A Javascript Function

Jul 23, 2005

I'm working on some code and am running into brick walls. I'm trying
to write out Javascript with Javascript and I've read the clj Meta FAQ
and didn't see the answer, read many similar posts (with no luck
though), and searched through the IRT.ORG Faqs
(www.irt.org/script/script.htm).

The Javascript is designed to open an popup window and then inside that
window call another script which will resize that window. There may be
another way around this but the reason I tried this approach initially
was that I wanted to call the onload handler in the popup window to
resize the image only after the image had completely loaded. I've had
some code in the primary Javascript file (showimage.js) before that
works if the image has been cached but on the first load, it doesn't
resize properly which tells me it is probably because it is trying to
resize the window based on the image size but it isn't completely known
at that point. So I removed that code and tried placing the resizing
code in the second Javascript file (resizewindow.js). BTW I've tried
other code to open a popup image and automatically size it ie Q1443 at
irt.org but that doesn't do exactly what we need.

Even if there is another way to do this with one file, I still want to
figure out why this isn't working in case I run into it in the future.

I thought what I would need to do to use document.writeln to write
Javascript would be to escape any special characters and to break
apart the script tag ie

document.writeln('</SCRIPT>');

would become

document.writeln('</SCR' + 'IPT>');

I have a HTML page and 2 Javascript files. All files are in the same
directory and have permissions set correctly.

Here are the 3 files (keep in mind wordwrap has jacked up the
formatting):

index.html
----------
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Test</title>
<SCRIPT type="text/javascript" LANGUAGE="JavaScript1.1"
SRC="showimage.js">
</SCRIPT>
</head>

<body>
Click the house<BR>
<A ONCLICK="newWindow1('house1.jpg','Nice House')"><IMG
SRC="house1thumb.jpg"></A>
</body>
</html>


showimage.js
------------
function newWindow1(pic,sitename)
{

picWindow=window.open('','','width=25,height=25,sc rollbars=1,resizable=1');
picWindow.document.writeln('<html> <head>');
picWindow.document.writeln('<SCR' + 'IPT type="text/javascript"
LANGUAGE="JavaScript1.1" SRC="resizewindow.js"></SCR' + 'IPT>');
picWindow.document.writeln('</head>');
picWindow.document.writeln('<body onload="resizewindow();">');
picWindow.document.writeln('<img src=' + pic + '>');
picWindow.document.writeln('</body> </html>');
picWindow.document.close();
}

resizewindow.js
---------------
function resizewindow()
{
// Do resizing here.
// Right now this isn't being executed
alert("resizing window");
}


Can anyone provide some pointers as to why this javascript is failing?
I'm using IE6 on Win2k and when I click on the image to open the popup
window, it does open the window but it is white with no content and the
system immediately goes from about 4% CPU usage to 100% and
consistently stays there until I kill that window with the task
manager.

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DOM Javascript - Imbed Javascript In Dynamically Added Row

Jul 23, 2005

Attached is a simple HTML file that adds and delete rows. In the add
row function I set an attribute "onClick" this triggers the
testMessage() function. When I try this in Firefox it works just fine
however on IE it just refuses to work.

What is interseting is the ROW that already exists has a similar
'onClick' event which works when the page is loaded, but subsequent
"row" additions to the table to not work in IE. Code:

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Text/javascript, Application/x-javascript, Difference?

Feb 19, 2007

two possibilities or the attribute type of script:

text/javascript (the one i usually use) application/x-javascript

what are the differencies between both?

depends on the html content?

for example html 4.0.1 versus xhtml 1.1?

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Javascript Function Has No Properties In Javascript Console

May 25, 2005

I'm getting errors in Firefox everytime I try to run this frame resize code, but it works fine in IE. I can't seem to figure out what the problem is with it.

The error is: Error: theFrame has no properties
Line: 8

The line that the javascript console is showing an error for is in italics.

code from page:

<html>
<head>
<script type="text/javascript">
var defaultCols="100px,*";
var hiddenCols="0px,*";
function ShowHideMenu(){
theFrame = document.getElementById("framed");
if(theFrame.cols == defaultCols) theFrame.cols=hiddenCols;
else theFrame.cols=defaultCols;
}
</script>
<frameset cols="100px,*" name="framed">
<frame src="lframe.htm" name="frameMenu">
<frame src="mframe.htm" name="content">
</frameset>
</head>
<body>
</body></html>

Come someone let me know what I'm doing wrong here?

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