Centering A Modal Popup DIV?

Jan 3, 2010

ive been strugglng all day to centre a DIV with javascript in the centre of my page. Ive created a modal popup and id like it to stay in the screen even if the page has been scrolled down. And no matter what i try i cant get it to actually hit the centre of the screen. I should add that im totally new to javascript but decided i cant avoid learning javascript forever so here are my pathetic efforts..

function ShowPopup(hoveritem, thepopup, theimage)
{
popVar = document.getElementById(thepopup);

[code]....

Ive tried loads of other things too, whats commented out has been my last effort. Im doing other things too in the function in case you wondered.

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Jul 23, 2005

I'd like to append/amend the following code from the Dreamweaver extension "Open Picture Window Fever" for the ability to center the PopUp window:

By default, it allows the window to be offset on the left and top, but does not include a centering option.

I'm thinking it would include something like (screen.width-imageWidth)/2;

somewhere but not sure how do go about doing this.....

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Jul 23, 2005

I'm trying to creat a modal dialog box in asp.net using the following

Dim str_JavaPopup As String = "<script language" &
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& str_ImageName & "&ProductDesc=" & str_Description & "','dialogWidth:
100px;dialogHeight: 100px;center: yes;resize: no;status: no;help:
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Me.Page.RegisterStartupScript("Startup", str_JavaPopup)

the window opens fine but the window does not resize

is my code ok?

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May 13, 2009

I am stuck with an issue of getting my modal to pop up and out of the iframe and show on top of the parent page. I am using the jqModal -xamples and they seem to have an answers for everything but this. This is the ultimate objective:OnLoad of the parent page, if something=true to pop up the modal from within the iframe to show over the parent. OH, and I CAN'T change anything in the parent page.I can get it to do everything that i need it to do BUT pop up out of the iframe. I have tried to access an id of the parent page to set it as a target, along with many other non working ways.... but idk... i think i am just running in circles at this point.... SO here is the simplified code that is nested inside of the parent iframe.... it loads the modal onLoad of the page, but its inside the iframe...

HTML Code:
<style>
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[code]....

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Jun 1, 2007

I am just wondering how to create a modal popup using javascript. The
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the desirable results.

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Aug 31, 2009

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Code:

$msgToUser = "You and $firstname are NOT friends, but a friend request was sent on $request_time <br />";
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[Code]....

What I want to be able to do, is replace all of these redirects with a simple jquery popup, particularly the Jquery Modal Dialog confirmation box (in case I want to include a link in the popup). I already have the jquery library on my site, along with the jquery-ui and jquery-css. Is there a simple way to do this by adding a little script to either the initial page or to the msgToUser.php page? Also would it be wise to keep the msgToUser.php page in place (somehow in conjunction with the jquery popup), in case someone does not have a js/jquery enabled browser?

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Aug 8, 2011

I have a form with an number of quite long drop down select menus in table rows.

The problem is if the user selects one of the last options in the select menu they are taken to the a different row lower down on the form - which is a little confusing.

What i really need to do is present some the values in a popup modal box and then allow the user to pick a value and keep them in that input field. It would be a lot like the jquery date picker jQuery UI - Datepicker Demos & Documentation but with numbers like 0,1,2,5,10,15,20 ect to pick from and populate the input field.

I am a bit short of time so i was wondering if anyone knew how to do this quickly - surely its a problem others have come across?

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I am trying to get a modal popup to display on an onblur event, but I keep getting a "'null' or is null or not an object" js error.I have seen many examples using

var _popup;
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[code]...

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I have a the SimpleModal running on a php page, and on said php page, a varaible is defined; e.g. $var = "John";

and then the usual gubbings for simpleModal, which calls modal_output.php - the file generating the output for the modal popup.

I need to get that $var into this popup, so the popup can read:

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This should be simple, I thought - but I can't parse it through _SESSION, or any method I try. I even tried hacking it into:

$.get("contact_modal.php", function(data){

to read $.get("contact_modal.php?var=<?php echo $var ?>", function(data){

but that breaks the js

Is there anyway I can parse the variable from the original page into the modal popup page?

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Jun 3, 2009

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I am able to get a regular hyperlink to do the action for me but I need it to be an item in a multi select box.

I have uploaded an example of my problem here,[url].

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I am using jquery to do two things: - load a modal popup which loads an html page (I'm using facebox) - in the modal popup, I have before/after states of the image, which is handled by a little jquery code

In FF and IE everything works correctly. In Safari and Chrome, the modal popup works, but once the popup loads, the before/after states of the image does not work. I can't seem to find a solution to this.

I am loading jquery on the home page (index.html) but I do not have it being loaded in the modal popup html pages. Is that the problem?

I have a link to show this, but am unable to post it due to my new membership status. You can PM me for the link.

Here is the before/after image state code:

Code JavaScript:
origImage=null;
$(function() {
$("#myImage").hover(function() {

[Code]....

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[Code]...

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Nov 22, 2005

I have a bit of code that unhides a div and then loads an image into it.

What I would really like is to have that div center on the users screen.

How do I go about doing that?

function unHide(ImgSrc) {
var newsrc = document.getElementById('enlargedImg');
var newWin = document.getElementById('divOpen').style.visibility = 'visible'
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Mar 10, 2001

How do you center the a pop-up window on the screen after a mouseclick on a button?

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Code:
window.onload = function(){
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Jul 23, 2005

I have the following funciton that centers my website content for any size window and will center it in real time as the window is expanded or shrunk. It is activated by a

onresize="CenterIt();"

in the body tag.

Works fine for IE. How do I make it compatible with netscape and most browsers? Better yet, is there a good single source that explains how to write javascript to be compatible with all browsers? 766 and 435 are the width and height of my table that surrounds the website data defined so:

<TABLE id="Main" style="position:absolute; z-index:0; top:0; left:0;">

function CenterIt()
{
newOffsetWidth = 0;
newOffsetHeight = 0;
if (document.getElementById)
{
winW = document.body.offsetWidth;
winH = document.body.offsetHeight;
}
else if (document.all)
{
/*
What goes here????
*/
}
else if (document.layers)
{
/*
What goes here????
*/
}

if (winW > 766)
newOffsetWidth = ((winW - 766) / 2) - 10;
if (winH > 435)
newOffsetHeight = ((winH - 435) / 2);

if (document.getElementById)
{
document.getElementById('Main').style.left = newOffsetWidth;
document.getElementById('Main').style.top = newOffsetHeight;
}
else if (document.all)
{
/*
What goes here????
*/
}
else if (document.layers)
{
/*
What goes here????
*/
}

}
CenterIt();

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Apr 20, 2010

I'm trying to write a function to center a div within a parent div, and I'm having a little trouble. Horizontally, it works fine. Vertically, not so much.

This is my function:
function centerObject(idName, idParent) {
var parentLeft = $(idParent).position().left;
var parentWidth = $(idParent).width();
var parentWCenter = parentWidth / 2;
var parentTop = $(idParent).position().top;
var parentHeight = $(idParent).height();
var parentHCenter = parentHeight / 2;
var objWidth = $(idName).width();
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var objHeight = $(idName).height();
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