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diff --git a/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js
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+++ b/webapps/qooxdoo-0.6.5-sdk/frontend/framework/source/class/qx/util/Compare.js
@@ -0,0 +1,225 @@
+/* ************************************************************************
+
+   qooxdoo - the new era of web development
+
+   http://qooxdoo.org
+
+   Copyright:
+     2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
+
+   License:
+     LGPL: http://www.gnu.org/licenses/lgpl.html
+     EPL: http://www.eclipse.org/org/documents/epl-v10.php
+     See the LICENSE file in the project's top-level directory for details.
+
+   Authors:
+     * Sebastian Werner (wpbasti)
+     * Andreas Ecker (ecker)
+
+************************************************************************ */
+
+/* ************************************************************************
+
+
+************************************************************************ */
+
+/**
+ * Collection of methods to compare two values.
+ */
+qx.OO.defineClass("qx.util.Compare");
+
+
+/**
+ * Compare two Strings
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byString = function(a, b) {
+  return a==b ? 0 : a > b ? 1 : -1;
+};
+
+
+/**
+ * Compare two Strings ignoring the letter case.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+
+qx.util.Compare.byStringCaseInsensitive = function(a, b) {
+  return qx.util.Compare.byString(a.toLowerCase(), b.toLowerCase());
+};
+
+
+/**
+ * Compare two Strings but first convert umlauts to an ascii character.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byStringUmlautsShort = function(a, b) {
+  return qx.util.Compare.byString(qx.util.Normalization.umlautsShort(a), qx.util.Normalization.umlautsShort(b));
+};
+
+
+/**
+ * Compare two Strings but first convert umlauts to an ascii character and ignore letter case.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byStringUmlautsShortCaseInsensitive = function(a, b) {
+  return qx.util.Compare.byString(qx.util.Normalization.umlautsShort(a).toLowerCase(), qx.util.Normalization.umlautsShort(b).toLowerCase());
+};
+
+
+/**
+ * Compare two Strings but first convert umlauts to ascii characters.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byStringUmlautsLong = function(a, b) {
+  return qx.util.Compare.byString(qx.util.Normalization.umlautsLong(a), qx.util.Normalization.umlautsLong(b));
+};
+
+
+/**
+ * Compare two Strings but first convert umlauts to ascii characters and ignore letter case.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byStringUmlautsLongCaseInsensitive = function(a, b) {
+  return qx.util.Compare.byString(qx.util.Normalization.umlautsLong(a).toLowerCase(), qx.util.Normalization.umlautsLong(b).toLowerCase());
+};
+
+
+/**
+ * Compare two Float numbers.
+ *
+ * @param a {Float} first value
+ * @param b {Float} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byFloat = function(a, b) {
+  return a - b;
+};
+
+qx.util.Compare.byInteger = qx.util.Compare.byNumber = qx.util.Compare.byFloat;
+
+
+/**
+ * Compare two Strings representing integers. First convert the strings to  an interger.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byIntegerString = function(a, b) {
+  return parseInt(a) - parseInt(b);
+};
+
+
+/**
+ * Compare two Strings representing floats. First convert the strings to  an float.
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byFloatString = function(a, b) {
+  return parseFloat(a) - parseFloat(b);
+};
+
+qx.util.Compare.byNumberString = qx.util.Compare.byFloatString;
+
+
+/**
+ * Compare two Strings representing IPv4 adresses.
+ * Example: "192.168.1.2"
+ *
+ * @param a {String} first value
+ * @param b {String} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byIPv4 = function(a, b)
+{
+  var ipa = a.split(".", 4);
+  var ipb = b.split(".", 4);
+
+  for (var i=0; i<3; i++)
+  {
+    a = parseInt(ipa[i]);
+    b = parseInt(ipb[i]);
+
+    if (a != b) {
+      return a - b;
+    }
+  }
+
+  return parseInt(ipa[3]) - parseInt(ipb[3]);
+};
+
+
+/**
+ * Compare the zIndex property of two widgets.
+ *
+ * @param a {qx.ui.core.Widget} first value
+ * @param b {qx.ui.core.Widget} second value
+ *
+ * @return {Number}
+ *     0 if both values are equal
+ *     a number > 0 if the first value if greater than the second one
+ *     a value < 0  otherwise
+ */
+qx.util.Compare.byZIndex = function(a, b) {
+  return a.getZIndex() - b.getZIndex();
+};