Content Positioning W/ Small Javascript
Mar 25, 2007
i made this javascript using the new "screen.width" property, which would make it easy to center content in a webpage no matter what the screen resolution is. Here it goes:
<html>
<head>
<script type="text/javascript">
function pos_center() {
var content = document.getElementById("carrier")
var width = screen.width
var contentwidth = content.offsetWidth
value = parseFloat((width - contentwidth)/2)
content.style.marginLeft = value }
</script>
</head>
<body
<div class="body" id="carrier">
</div>
</body>
</html>
The "body onload" makes the page first load all the way to the left, and then after completely loading switches the content to the center, that is dynamically gross.
Now, instead of using the "body onload", is there any other way that i can make the content appear. Seeing that there is no "onbeforeload", there must be another way to solve this.
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Apr 30, 2003
I was wondering if it is possible to set the positioning of an element in CSS? What I am looking to do, is have a set of 3 boxes on the right of the page and base the size of the boxes by %. Problem is, while I can position the first and third boxes relative to the top and bottom of the page, repectively, depending on the size of the browser, i can't firmly set the positioning for the middle box off of the top or bottom.
Ideally, I would like to use JS to determine the height of the first box (which is based on a % of the page size), and then set the top of the second box = the height of the first box + 5px for a buffer. Code:
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Jun 4, 2011
I couldn't find any in Google or in the JQuery plugin library.I am trying to develop a book like app, where the site manage enters a text as long as he like into CKEditor textbox. the editor of course create tags around the text, and also there might be images inside the text.Then when someone chooses the book (bunch of DIV tags), he gets a book like js (this is working) and i need to populate the book with the content from the DB.
The problem is that i just can't figure a way to split the text into small chunks without destroying tags in the process.Is there a split app in jquery that does that?
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Jul 21, 2007
I use a small piece of JS code to make different elements on the page show/hide when clicking a link, based on id:
function toggle( targetId ){
if (document.getElementById){
target = document.getElementById( targetId );
if (target.style.display == "none"){
target.style.display = "";
} else {
target.style.display = "none";
}
}
}
Then HTML looks like this:
<a href="#" onClick="toggle('news'); return false;">Show/hide news</a>
<div id="news" style="display:none">BlahBlahBlah</div>
This works. Initially the element is hidden (with style="display:none" property of the element), and the script gets its id and changes its display property to "block" when clicking on a link.
But when Javascript in a browser is turned off, the elements to show are all hidden, and there's no way to see the content of the element.
My question: is there a way to hide toggled elements on page load with JS, so that when it's turned off the hidden content is shown?
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May 27, 2006
I've been driving myself crazy the past couple hours and can't figure this out. Here is what I need to do:
Have a select box like this:
<select name="dropdown">
<option value="option1">option1</option>
<option value="option2">option2</option>
</select>
Then when one of those options is selected, the appropriate div tag is displayed:
<div id="option1">
Div 1 Text
</div>
<div id="option2">
Div 2 Text
</div>
This seems like it should be really simple to do, but I can't figure it out.
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Aug 2, 2007
I am trying to embed content via javascript using the following code:
<script type="text/javascript" src="http://example.com/script.php"></script>
When I place the script.php in other servers it works fine (content can be viewed) except with one server, it doesn't return anything (just blank screen). What could be the possible problem, is it a hotlinking issue or something else?
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Jul 28, 2007
I have a piece of code that I'd rather google's spider did not follow. Is
this possible please?
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Mar 26, 2003
This forum thread discusses the SitePoint article 'Re-Write a Layer's Content with Javascript' by Peter Todorov.
"How can you can replace the content of a Web page without additional requests to the server? The answer uses layers in JavaScript - Peter explains all."
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May 4, 2005
I have a company that has a group of companies under it. I plan to add 4 company logos on one front page, and when the user mouses over one of the logos, I want a table below to change and show a description of that company.
The images that they will be mousing over will also need to change, and the table that will change should be able to carry a static message such as "Hover your mouse over the logos above to find out more".
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Sep 29, 2005
I would like to build an HTML page that has four content areas. The first with 3 links that when clicked chage what is shown in the other 3 - and so changing the default content in these sections. The content for these sections will be contained in seperate HTML files sitting on the same server.
I understand this can be done without refreshing the page and believe JavaScript and Ajax is the best method to do this. Any advice?
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Jun 26, 2007
I'm sure some wizard will tell me this is a classic example of "piece of cake"; in which case I bow and promise to listen In case I've struck granite rock, feel free to throw questions my way and I'll tell you if I've tried it or not.
I have a file, main.php (I know this is the JS-forum, bear with me). It outputs HTML and inline Javascript functions. When the user clicks on a graphical "tab", that tab is activated, and an ajax call is made to fetch.php with some specific parameters. Once the ajax request has completed, a given innerHTML container on the now active tab is filled with the stuff that fetch.php outputs.
So far so good.
The problem is that the stuff that fetch.php outputs is partial pure HTML and partial inline javascript. And this is where it gets tricky. If I declare an inline javascript function in the returned data, Firefox (and I suspect MSIE) refuses to understand that the function is there. It simply doesn't exist (!).
Using the Web Developer add-on for Firefox, there's an option to look at "Source code" and "Generated source code". The output from these two differ in that when I view the "Generated source code", I see the dynamically inserted javascript/HTML from fetch.php, whereas viewing "just" the source doesn't.
What did I do wrong? How do I get the browser to find/accept/activate the javascript code/functions that were inserted dynamically? I cannot put them in a .js file and include it, since they need to be dynamically created, and I cannot use eval() since that executes javascript "as is", in which a function will not be executed unless called.
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Jul 23, 2005
How can I scoll the content of an Ifram to a desire Position?
The function should be:
window.scrollTo(x,y)
BUT how do I have to use this function so that applies to the IFrame content.
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Jul 23, 2005
I have a rather annoying problem with Mac IE 5.2. I use a javascript
function to determine the x, y position of the upper left corner of
this image of the US. Since this image can be placed anywhere in the
browser, the x, y position is not always (0,0). I am also trying to
lay several dot images on top of this image so that when you click the
dot the user can find out more information about certain states. So I
determine the x, y position and add certain pixels so that the dots
will be placed in the correct places in relation to the US image.
This works well with PC's IE. However, when I open this in Mac IE, the
dots are either shifted too high up or too low in relation to the US
image. Strange thing is, when I resize the browser, the dots literally
jump to their correct places.
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Jul 20, 2005
I'm trying to create a menu in javascript. I've created the bitmaps with
text over the top of them. The problem i'm having is that the positions
aren't correct. If I wrap the code in PRE tags, then this fixes it. But
this seems to be a bit of a hack, as apposed to finding what the bug is.
I've included examples of the problem below:
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Nov 6, 2009
Is there some possibility with php to put the horizontal scroll bar of the web brwser into the center if the "width" of web page are bigger then the "width" of the web browser screen?So I don't need to scroll to right if I open the page, but the horizontal scroll bar will be positioned in the center.That code should do the same think like I when I take the scroll bar and put it in the center position, but this should be happen when I load the page automatically.
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Oct 25, 2011
[URL]
<style>
div#back{
width:1000px;
height:1000px;
margin-left: auto;
margin-right: auto;
background-color:#096;
}div#topmenu{
width:400px;
height:35px;
position:relative;
top:5px;
left:595px;
background-color:#9F0;
}div#logopart{
width:950px;
height:70px;
position:relative;
top:0px;
left:50px;
background-color:#0FF;
}div#leftmenu{
width:100px;
height:400px;
position:relative;
top:0px;
left:0px;
background-color:#999;
}div#cont{
width:900px;
height:500px;
position:relative;
top:0px;
left:0px;
background-color:#FF6;
}</style>...
<div id=back>
<div id="topmenu">topmenu</div>
<div id="logopart">logopart</div>
<div style='display:inline;'>
<div id="leftmenu">leftmenu</div>
<div id="cont">cont</div>
</div></div>
How do I put "cont" div on the right of "leftmenu" without using "absolute"?? The screenshot was little bit cropped out and there is no problem on width.
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Mar 9, 2009
Take a look at the Firefox positioning and the disastrous positioning in IE and let me know what I need to do fix the div tag:
Code:
function areYouSure(){
var newDiv = document.createElement("div");
[code]....
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May 6, 2007
I'm trying to write the code for an AJAX script. The goal is to let the visitor send a comment through a form (obviously). The form is inside a div that pops up when the visitor clicks on an "add a comment" link and when the form is submitted the result of the form processing apears inside the same div which resizes to fit the size of the result.
The problem I'm trying to solve is that although the resizing and the positioning of the div works for Firefox it doesn't for IE7. In IE7 it does the resizing but the positioning fails Code:
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May 30, 2007
i'm using a little "ajax" loader script to dynamically load files into
different "div" tags on my main site. the code for this part looks
like:
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Jul 23, 2005
I am trying to create a menu system.
The mainmenu is a table
<table><tr><td>menu1</td><td>menu2</td></tr></table>
No I try insert the submenu so that it becomes relative to the main menu
item. For menu1 the relevant code then becomes:
<td style="position:relative;">menu1<div style="position:absolute; top:20;
left:0;">
<a href=x.htm>option1</a><br>
<a href=y.htm>option2</a>
</div></td>
This works fine in IE: the div is positioned relative to the td of menu1.
However, in Mozilla it doesn't work. The div becomes relative to the top of
the page.
What am I doing wrong?
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Aug 31, 2010
I have problem here I have two div as below:
[CODE <div id="left" style="top:0px;left:0px; width:150px;">
<div id="title1" style="top:auto;left:0px; padding: 4px; overflow: auto; background-color: #8EB4E3;">
<table border="0" cellspacing="0" cellpadding="0">
<tr><td></td></tr>
<tr>
<td>OUR SYSTEM</td><td width="11%" height="10"><div align="right">
<img src="../fleet/images/logos/<?=$fleetID?>.png" width="100" height="50" /></div></td>
</tr></table></div>
</div>
<div id="right" style="top:0px;left:250px; width:800px; height:100%">Map goes here.
</div>[/CODE]
The problem I am having is that when the div id="left" does not have any inner div then the right div where it contains map is at 0px. But the moment I put id="title1" in the div id="left" then the map in div id="right" does not stay at the top 0px and it goes down by quite many pixels.
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Jan 31, 2006
Is there are way to position an element at the bottom right of a container if I don't know the height of the container?
Making it float right is obvious and easy, what I really need is to make the element float bottom/right.
I believe FireFox will give me the computed height of the container, but MSIE tells me nothing but 'auto'.
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Mar 21, 2007
The following works in IE, but not in firefox:
document.getElementById('mydiv').style.left = event.clientX + document.body.scrollLeft;
document.getElementById('mydiv').style.top = event.clientY + document.body.scrollTop;
Any ideas why?
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Jul 5, 2010
I'm using this code:
javascript:
Code:
function showImg(img, width, height) {
gal = document.getElementById("galpic");
newl = Math.round((window.innerWidth - width) / 2);
[Code]....
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Aug 1, 2011
i usually try to nut out this sort of problems myself, so as a result this is my first post here. The site I'm working on is much larger, but I have managed to trace the issue i am having to the following simplified code-
[Code]...
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Jul 23, 2005
Is it possible to create popup menus without using absolute positioning
that take up no space in the flow of the document and appear with an
onMouseOver()?
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