diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/web/data/cubicweb.image.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/data/cubicweb.image.js	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,31 @@
+jQuery.fn.autoResize = function() {
+    // remove enforced with / height (by CSS and/or HTML attributes)
+    this.css("width", "auto").css("height", "auto");
+    this.removeAttr("width").removeAttr("height"); // Remove
+    // compute image size / max allowed size to fit screen
+    var imgHSize = this.width();
+    var maxHSize = $(window).width() - ($(document).width() - imgHSize);
+    var imgVSize = this.height();
+    // we don't mind if content in [content]footer moved out of the screen
+    var maxVSize = $(window).height() - ($(document).height() - imgVSize) + $('#footer').height() + $('#contentfooter').height();
+    if (maxHSize > 0 && maxVSize > 0) {
+        // if image don't fit screen, set width or height so that
+        // browser keep img ratio, ensuring the other dimension will
+        // also fit the screen
+        if (imgHSize > maxHSize && ((imgVSize / imgHSize) * maxHSize) <= maxVSize) {
+            this.css("width", maxHSize);
+        } else if (imgVSize > maxVSize && ((imgHSize / imgVSize) * maxVSize) <= maxHSize) {
+            this.css("height", maxVSize);
+        }
+        else {
+            // image already fit in screen, don't scale it up
+        }
+    } else {
+        // can't fit image in, don't do anything
+    }
+};
+
+
+$(document).ready(function() {
+        $("img.contentimage").load(function() {$(this).autoResize()});
+});