# Javascript works in Preview only

**URL:** <https://forum.kirupa.com/t/javascript-works-in-preview-only/184207>\
**Category:** flash\
**Created:** [April 3, 2006, 9:52am UTC](https://forum.kirupa.com/t/javascript-works-in-preview-only/184207 "2006-04-03T09:52:00Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![larsk](https://avatars.discourse-cdn.com/v4/letter/l/ec9cab/32.png) [@larsk](https://forum.kirupa.com/u/larsk)\
**Post date:** [April 3, 2006, 9:52am UTC](https://forum.kirupa.com/t/javascript-works-in-preview-only/184207/1 "2006-04-03T09:52:00Z")

</div>

Hi,

I am using this script for a centered popup-window:

\<SCRIPT LANGUAGE=“JavaScript”\>  
function Copyright()  
{  
var padding;  
(navigator.appName == “Microsoft Internet Explorer”) ? (padding = 10) : (padding = 0);

```
var screenw = screen.availWidth; 
var screenh = screen.availHeight; 
var winw = (390 + 15 + padding); 
var winh = (400 + 15 + padding); 
var posx = (screenw / 2) - (390 / 2); 
var posy = (screenh / 2) - (400 / 2); 

var mywin = window.open('Material/Copyright.html','',"top="+posy+",left="+posx+",width="+390+",height="+400+",menubar=no,locationbar=no,statusbar=no,resizable=no,toolbar=no,dependent=yes,scrollbars=no");
mywin.focus(); 

```

}  
\</script\>

When I preview it out of Dreamweaver it works great in all browsers except IE;  
when I upload the .html file it is not working at all in no browsers.

Has any body an idea why?  
Thank you very much in advance.  
Lars

---

<div class="post-metadata">

**Author:** ![larsk](https://avatars.discourse-cdn.com/v4/letter/l/ec9cab/32.png) [@larsk](https://forum.kirupa.com/u/larsk)\
**Post date:** [April 3, 2006, 11:07am UTC](https://forum.kirupa.com/t/javascript-works-in-preview-only/184207/2 "2006-04-03T11:07:24Z")

</div>

Hi,

Just in case anybody likes to know - I just tried this one and it works so far:

\<SCRIPT LANGUAGE=“JavaScript”\>  
function PopUp() {  
leftPos = 0  
topPos = 0  
if (screen) {  
leftPos = (screen.width/2) - 195  
topPos = (screen.height/2) - 200  
}  
window.open(‘PopUp.html’,’’,‘toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=390,height=400,left=’+leftPos+’,top=’+topPos);  
}  
\</script\>

Lars