Userscripts.org

Because it exists more variants of the ImageURLs like:
xxxxxxxxxxxxxxxxx_s2,11.jpg

// ==UserScript==
// @name OpenBC UserImages MouseOver
// @namespace
// @description Shows big images when hovering over userImages in OpenBC/Xing.
// @include *xing.com/*
// ==/UserScript==
// OpenBCUserImages.user.js

/*
This is a Greasemonkey user script.

To install, you need Greasemonkey: http://greasemonkey.mozdev.org/
Then restart Firefox and revisit this script.
Under Tools, there will be a new menu item to "Install User Script".
Accept the default configuration and install.

To uninstall, go to Tools/Manage User Scripts,
select "OpenBCImageSize", and click Uninstall.
*/

(function() {
function cumulativeOffset(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
}

window.addEventListener("load", function(e) {
var imgList = document.getElementsByTagName("img");
for( i=0; i < imgList.length; i++) {
var imgName = imgList[i].src;
var s = imgName.search(/\/img\/users\/.+\_s(1|2|3)?(,(.)*)?\.(jpg|gif|png)$/);
if( s != -1) {
bigimage=imgName.replace(/\_s(1|2|3)?(,(.)*)?\./, ".");
newImg = document.createElement("img");

ow=imgList[i].width;
imgList[i].addEventListener("mouseover",
function(e){
newX=cumulativeOffset(this)[0]
newY=cumulativeOffset(this)[1]
newImg.src=this.src.replace(/\_s(1|2|3)?(,(.)*)?\./, ".");
//newImg.style.width="140px";
//newImg.style.height = "185px";
newImg.style.position="absolute";
newImg.style.border='1px solid #000';
newImg.style.zIndex='999';
newImg.style.top=(newY-185/2).toString() + 'px';
newImg.style.left=(newX+ow).toString() + 'px';
document.body.appendChild(newImg);
},false);
imgList[i].addEventListener("mouseout",
function(e){
document.body.removeChild(newImg);
},false);

}
}
return;
}, false);
})();

These changes are perfect! It works very well.
The only thing I changed was the z-Index, because the Xing header has 10000 as z-index.

I would appreciate if you insert these changes!

Greetings, guerda