How To Determine File Name

Jul 23, 2005

I have a frame's onload event calling a function which needs to know
which file was loaded. Is there any java object/method to determine
the file name or any type of file id?

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How To Determine The URL For Excel File

Dec 24, 2011

Referring to following link, I would like to determine the link for "In-Depth.xls", based on following coding, I find related information for Excel.png, does anyone have any suggestions on how to determine the URL for Excel file?

<img src="../../images/common/Excel.png" id="cp_imgExcel" class="btn" onclick="window.location.href='dbindepth.aspx?country=66970&startdate=2010/12/24&enddate=2011/12/24&indicator=47&excel=1'"/>

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Using Javascript To Determine If File Exists On Host Site

Jul 20, 2005

I'm new to javascript and PHP and I am wondering if there is a method or function to capture a 404 error in the event a particular html file cannot be found. I want to redirect that error to another page or design the code to send me an email telling me what page was selected and not found. In other languages I can trap such an error and respond to it.

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Determine Which Onclick Event Called The Same Html File?

May 20, 2010

This is a follow up with a new question from a post I did last week. [Code]... I have an experimental website where I have music recordings. url removed When you open the site, each page uses a piano keyboard graphic to navigate between pages. If you click on a key that says "Jukebox" it will open a small window and continuously play tunes. The way the jukebox works basically is, when you click the jukebox key it calls an html file which contains the information needed to play the first song. When that song is finished it calls another html file with the information to play the second song and so on. Each html file contains an embedded Windows Media Player in it.

I would like to give visitors the option to use the QuickTime player. So I can have one key in the keyboard graphic that say “Jukebox – for Windows Media Players” and then another key in the graphic that would say “Jukebox – for QuickTime players”. I would like to use both keys to call the same html file. So, in the file I would like to:

1. Determine which key was pressed in the graphic. (how to send a parameter from the keyboard graphic file indicating which key was pressed) 2. With that parameter I would then like to invoke the appropriate player. (how to receive that parameter)


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Determine Name Or IP Of Server

Mar 30, 2006

I know it's possible to retrieve the IP address of a visitor's computer. However, I need to figure out a way to get the IP address of the server where the files are placed. Here's a description of my issue:

My application, along with some HTML Electronic manuals, are loaded onto a server in an electronic classroom. In order to get to any of these items (manuals or app), the students access the server where an index page is located in the D drive and click a link to get to any of them.

The problem is that these manuals are loaded into the D: drive while my application, because it uses ASP, is saved in the C:inetpubwwwroot folder.

The other issue is that this application will not be placed in just one classroom. Each classroom will have its own server with any number of computers accessing it. Since I don't know how each of the servers will be set up, I need to get the IP address so I can access the wwwroot folder.

What I need to do is figure out, using some non-server-side language, what the IP address or computer name of the server is so that I can access the appropriate folder in the wwwroot folder.

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Determine Name Or ID Of Select?

Nov 23, 2009

This should be an easy one. I am using a single OnChange event with several <Select> statements, and need to identify the specific <Select> control that fired off the onchange event. I'm certain there must be a way to grab the ID or Name from the specific control in the javascript function, but I haven't been able to find it.

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Determine Resolution

Feb 11, 2006

is there a code for determining the resolution of the computer?

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How To Determine Redirected IMG SRC

Oct 14, 2011

My spidey senses are telling me this can't be done without making an additional [XMLHttp] request, but ... Any way to read the redirected URL for an image? Suppose I have the following tag:
HTML Code:
<img src='/images/test.jpg' />
And suppose the image request redirects to /images/test.jpg?token=123.
The image src, according to JavaScript is still /images/test.jpg. Any way to determine the new URL? (short of making an AJAX request for the image and reading the response header?)

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Determine If Scrollbar Is Visible?

Jul 23, 2005

Is there anyway to determine if a DIV with its overflow style set to
auto has the scrollbars visible? I have a dynamically built table inside
my DIV. If the table is over a certain height and the scrollbars appear,
I want to shrink the width of my table. If the table's height doesn't
exceed the div's height, I want the table to be the same width as the
div. Any ideas?

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Determine If Object Exist

Jul 23, 2005

I have a script that will set the focus to a particular input box. I want the script to check to see if the input box exist also.

I'm receiving the following error:
'document.ScheduleForm.txtGrossPayroll99' is null or not an object.

The txtGrossPayroll99 is a field that does not exist. I've hard-coded
this name into the script to see if it is working correctly.
I'm using the OnLoad event inside the <Body> tag to execute this

var formInUse = false;
function setFocus()
if ((!formInUse) && (typeof(document.ScheduleForm.txtGrossPayroll99) !=
"undefined") && (typeof(document.ScheduleForm.txtGrossPayroll99) !=
null) );{

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Determine Object From Property?

Sep 9, 2005

Is there a way to determine the object that a property is in? For

function MyClass() { ... }
MyClass.prototype.myFunc = function() { ... }

var obj = new MyClass();
var sameobj = SOMEFUNCTION(obj.myFunc);

So my goal is to get a reference to the object by just having the

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Determine Input Box Property

Sep 9, 2005

I have a script that I want to run only when my input box IS NOT
disabled. Can someone tell me if something is wrong with my script? Is
"disabled" the correct property to use?

function TextChanged(i){
if (!document.ScheduleForm["txtGrossPayroll" + i].disabled) {
document.ScheduleForm.txtRecordStatus.value = "Changes Made; Record Not
Saved."; = "#FF0000";

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How To Determine A Click On A Link

Jun 30, 2006

I am writing a greasemonkey script and I can capture the click event.
What I want to know is how do I determine that the click was on a URL
and not just a normal click.

document.addEventListener('click', function(event) {
// is the element that was clicked
}, true);

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Determine User Selection

Jul 12, 2007

I am trying to pass the slection made by a user to a javscript
function using the onchange event. The problem is I can get the index
but not the actual value. As my list is variable (dependent on a db)
I cannot hard code to a static index. I either need a way to
determine the number of items in a select control or a way to
determine the actual selection made by the user.

Can anyone enlighten me as to the code to determine what option the
user selects?

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How To Determine If One Control Overlaps The Other?

Oct 3, 2007

I know how to find a controls' position obviously ( left,
right, top, offset, etc.), but what I'm a little stumped on is, if
given two controls' positions, how can I tell if one is overlapping/
invading the space of the other?

For example, I have an AJAX dragpanel and am experiencing the common
'bleed through' of dropdown controls when I drag the panel over them.
Naturally the customer doesn't like this. I experimented a little with
the IFrame solution, but did not have much luck. It seems easier now
to just use the 'ondragend' event and show/hide dropdowns accordingly.

Does anyone have a piece of code where, given two control objects as
passing parameters, it returns true or false in regards to them
overlapping or not?

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JQuery :: Determine The InnerHTML Value Of An ID?

Dec 16, 2010

Im using ...

if ($("#flipid").html("Expand")) {
$( ".eqpdtl" ).hide();


But it's not working ...(why else would I post this ...)

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Check All But One Of Them To Determine If Any Of Those Have Been Checked?

Nov 21, 2010

I have a form with several types of checkboxes, and I'm trying to check all but one of them to determine if any of those have been checked. I do not want to check 'all', but I want to see if any of the 'check_' or 'check2_' checkboxes have been checked. There are a variable number of checkboxes, so this is just an example with two of each. Set 1 and Set 2 will always have the same number of checkboxes as each other, though.


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Determine If Someone Clicks Outside Of A Textbox?

Aug 2, 2011

I have a click event that changes an element from a span that acts like a text link, to a textbox that the user types in:

Event.add(area_el_rename, 'click', function(e)


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How To Determine A Page Offset

Nov 5, 2011

THIS IS NOT HOMEWORK this image: image represents an "entire" web page and the bright part the area currently scrolled into by the web browser.I can get the client's screen SIZE, but I don't know how to figure how many pixels down into a page the browser happens to be.To clarify, the distance shown as a question mark would be "zero" if the browser were scrolled all the way to the top of the page and some positive number as the browser scrolls down.Is there any way for me to get this number (in Javascript).What I need it for is to position a pop-up window centered left-to-right and 1/3-2/3 top to bottom on the screen REGARDLESS of where in the page the browser is scrolled.

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Determine Height Of An Object

Nov 3, 2007

<div style="display:none;width:250px;margin-left:-250px;position:absolute;background-color:#f1f1f1;" id="container">

<div id="myframe" style="filter: alpha(opacity=0); z-index:10; height: 100%; overflow: hidden; width: 250px;position: absolute;">
<iframe id="'eliframe'" style="z-index:10; width: 250px;" frameborder="0"></iframe>

<div id="overlay12" style="position: absolute;z-index:18;width:250px;border:1px solid #005cb1;position:absolute;background-color:#f1f1f1;">

<script type="text/javascript">
var divh = document.getElementById("container").offsetHeight;


So I need the height of the iframe to reflect the height of the div. The Div height is based on the amount of content that is inserted into it on page load (so I can't set an absolute height). The iframe is to allow the help popup to tile over dropdown menus in IE.

The script above doesn't return the height of the #container element. I need it to figure out the height on page load, and I can't seem to do it for the life of me.

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Determine If A DIV Exists With A Specified CSS Class Name

Nov 8, 2010

Using Javascript, how do I determine if there is a DIV with a particular CSS class name on the page? (Not an ID...) I'm writing a function to perform an action if it finds that DIV on the page.

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Determine Browser To Load CSS?

Oct 21, 2011

I was just wondering if there is a way to load a CSS file depending on the browser that you are using. In this case I am looking to load a CSS file for Safari only. maybe another option would be to use CSS hacks (but not webkit).

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How To Determine If Javascript Is Enabled?

Apr 4, 2003

I tried searching in the forums for this, but the search function keeps saying I can't search on less then 3 keywords? (I used the string in the subject!) Anyway... is this possible? I want to determine if JS is enabled, and display a "you must enable javascript to continue" if not.

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Using Javascript To Determine The Correct URL

Nov 16, 2005

I want to create a link to an email conference which is on 2 servers. Some users will only be registered on server1 and others will be registered on server2. however I don't know which users are on which server.

Is it possible to create some kind of JavaScript function which attempts to open a link to server1 and then if this fails default to server2. It would be far more user friendly.

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Determine If A *dynamic* Var Is Undefined?

Aug 29, 2010

I am trying to run some code if a dynamic var is not yet defined.. and so tried a bunch of failed lines, plus this:

if (typeof eval("myDynamicVarName" + aDynamicNumber) == 'undefined') {
...but instead of running
it gives this error (FF3/mac):
"myDynamicVarName1 is not defined"

Right. But how do I tell the code that this case is not an error, but something I want to act on?

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Determine The Media Type?

Jun 10, 2011

Does anyone know of a way for JavaScript to determine the media type?

Handheld - Screen - Printer - etc

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