问题描述

The following code works well and launches a facebook popup on the screen, however this popup is not centered.

<script type="text/javascript">
function fbs_click() {u=location.href;t=document.title;window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436');return false;}

<a href="http://www.facebook.com/share.php?u=<full page url to share" onClick="return fbs_click()" target="_blank" title="Share This on Facebook"><img src="images/facebookimage.jpg" alt="facebook share"></a>

Here is the script that centers a popup window:

    <script type="text/javascript">
 function MyPopUpWin(url, width, height) {
    var leftPosition, topPosition;
    //Allow for borders.
    leftPosition = (window.screen.width / 2) - ((width / 2) + 10);
    //Allow for title and status bars.
    topPosition = (window.screen.height / 2) - ((height / 2) + 50);
    //Open the window.
    window.open(url, "Window2",
    "status=no,height=" + height + ",width=" + width + ",resizable=yes,left="
    + leftPosition + ",top=" + topPosition + ",screenX=" + leftPosition + ",screenY="
    + topPosition + ",toolbar=no,menubar=no,scrollbars=no,location=no,directories=no");
}
</script>

Can someone please update the 1st script so that it works in combination with the 2nd script to result in the popup window launching in the center of the screen. (As my experience with coding is very limited i know not how to do this.) Thanks heaps. Pia

See if this works for you:

<script type="text/javascript">
function fbs_click(width, height) {
    var leftPosition, topPosition;
    //Allow for borders.
    leftPosition = (window.screen.width / 2) - ((width / 2) + 10);
    //Allow for title and status bars.
    topPosition = (window.screen.height / 2) - ((height / 2) + 50);
    var windowFeatures = "status=no,height=" + height + ",width=" + width + ",resizable=yes,left=" + leftPosition + ",top=" + topPosition + ",screenX=" + leftPosition + ",screenY=" + topPosition + ",toolbar=no,menubar=no,scrollbars=no,location=no,directories=no";
    u=location.href;
    t=document.title;
    window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer', windowFeatures);
    return false;
}
</script>

<!-- Please change the width and height to suit your needs -->
<a href="http://www.facebook.com/share.php?u=<full page url to share" onClick="return fbs_click(400, 300)" target="_blank" title="Share This on Facebook"><img src="images/facebookimage.jpg" alt="facebook share"></a>

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