open a new browser window (for a zoom view of image)

Posted on 2007-11-13
Last Modified: 2012-05-05
if i use this syntax, the page goes forward to the new page

<a href="zoom.htm"><img src="images/MyPic.jpg"</a>

but how do i write it so a new window opens to zoom.htm, and how do i get it to NOT fill the screen (in Access we call that 'Restore' as opposed to 'Maximize')?


Question by:MacRena

Assisted Solution

Wikkard earned 50 total points
ID: 20276189
<a href="'zoom.htm','newwindow');win.focus();"><img src="images/mypic.jpg"></a>

However this won't resize the image or tell zoom.htm which image to load.

To do this you would need to pass the image filename to zoom.htm on the querystring ie
<a href="'zoom.htm?mypic.jpg','newwindow');win.focus();"><img src="images/mypic.jpg"></a>

And then zoom.htm would somehow need to read the querystring and load that image.

Another alternative would be to simple open the image itself in a new window (at full size)

<a href="'/images/mypic.jpg','imagewindow');win.focus();"><img src="images/mypic.jpg"></a>

LVL 54

Assisted Solution

b0lsc0tt earned 50 total points
ID: 20276198

If you want the new window to be the same size as the browser (whatever that is) then use ...

<a href="zoom.htm" target="_blank"><img src="images/MyPic.jpg"</a>

The target being set to _blank will have zoom.htm open in a new window.  The other option is to use javascript and a popup window.  You can specify the size of those but there is a bigger chance that it will be blocked by popup blocker software or the browser.  Let me know if you want more info on that though.

Let me know if you have any questions or need more information.

LVL 19

Accepted Solution

nschafer earned 100 total points
ID: 20276292
If you wish to use straight HTML, you cannot control the size/position of the opened window.  A little Javascript will take care of this for you.

add the following code to the <head> section of your page:
<script type="text/javascript">
function zoom(){"zoom.htm","zoom","height=500,width=400,status=no")

and modify your link to call the function rather than link to another page:
<a href="javascript:zoom();"><img src="images/MyPic.jpg"</a>

I would actually recommend some changes to this.  I assume that you have several images that you want the user to be able to zoom, so a small change would allow the zoom.htm to receive an image ID or name that it could use to select the correct image.

<script type="text/javascript">
function zoom(img){"zoom.htm?img=" + img ,"zoom","height=500,width=400,status=no")

<a href="javascript:zoom('images/MyPic.jpg');"><img src="images/MyPic.jpg"</a>

Now in your zoom page you have to read the querystring and use that to set the correct src for the image file.
The following code will do just that:

<title>Full Size Image</title>
<script type="text/javascript">
function setImg() {
  img = document.getElementById("img1");
  imgsrc = getQS("img");
  img.src = imgsrc;

// get QueryString Information
function getQS(tag) {
if ( ==0) return "";
  QS =,"&");
  for (i=0;i<QS.length;i++) {
    QS1 = QS[i].split("=")
    if (QS1[0].toLowerCase() == tag.toLowerCase()) return unescape(QS1[1].replace(/\+/g,' '));
  return "";

<body onload="setImg();">
<img src="" width="100%" alt="" id="img1" />


If you wanted you could eliminate the hyperlink <a> tag altogether and just add an onclick event to the image itself.  this would make it a bit cleaner in the code, but might not give the same effect you want visually.  Simply change the <img> tag on the first page like this:
   <img src="logo1.jpg" onclick="zoom(this.src);" alt=""/>

You'll notice I didn't need to specify the name of the image when calling the function I just told it to use the same source as the current image.  This makes it less likely to make a mistake coding in the name of the image.

In any case I hope this helps,

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Author Comment

ID: 20276881
HOLY MACKREL Neal, that was fantastic!
i'm increasing the question to so i can give you the 100 points.
that really is a terrific answer!  thank you very much!

and thanks to Wikkard and b0lsc0tt - i'm splitting 100 points between you.

LVL 19

Expert Comment

ID: 20276952
Glad I could help.  Thanks for the points.

LVL 54

Expert Comment

ID: 20277025
Your welcome!  I'm glad I could help.  Thanks for the grade, the points and the fun question.


Expert Comment

ID: 20410783
What would be realy nice, is to scal the zoomwindow to the imagesize.
Small images will have a small windows and v.v.

Any suggestions?
LVL 54

Expert Comment

ID: 20413246

Open a new question for this.  If you want to use this as a start for that question then you can put this question's URL in your question's body.  If you would like to attract the experts here to the question then feel free to post your question's URL in a comment here.  I don't know if I will be able to help but I will be happy to look.  This will be the best way to get help and answers to your question.


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