[Javascript] getting position

[Laurent Muchacho]

Hi,

I think this is what you look for this function will return the absolute
position of an element when you call the function getAbsX(elt) or
getAbsY(elt) elt must be 
equal to document.all['yourid'] or document.getElementById('yourid') or
document.layers['yourid']
<div id="yourid">whatever</div>

if you want to use this function in ns4 you must put a name as well
<div id="yourid" name="yourid">whatever</div>


function getAbsX(elt) { return parseInt(elt.x) ? elt.x :
getAbsPos(elt,"Left"); };
function getAbsY(elt) { return parseInt(elt.y) ? elt.y :
getAbsPos(elt,"Top"); };
function getAbsPos(elt,which) {
 iPos = 0;
 while (elt != null) {
  iPos += elt["offset" + which];
  elt = elt.offsetParent;
 }
 return iPos;
};

ps : I'm not the author of this function I found the logic on the net a
while ago I just implemented it to my need.
ps : this function work really well when
	1. you use an image with a name and an id
	2. If you use IE MAC don't write dynamcly your html in the page with
javascript like document.write('<div id="yourid"
name="yourid">whatever</div>') the IE browser on the mac will get confuse
and give you really wrong value from what to expect.


-----Original Message-----
From: Iztok Polanic [mailto:iztokp at amis.net]
Sent: 22 June 2004 15:35
To: javascript at LaTech.edu
Subject: [Javascript] getting position


Hi!

I'm wondering how to get a position (x, Y) of an object by its ID. How to do
this?


Bye,

Iztok

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