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diff --git a/app/helper.js b/app/helper.js
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+.pragma library
+
+function roundNumber(number, digits)
+{
+    var multiple = Math.pow(10, digits);
+    return Math.round(number * multiple) / multiple;
+}
+
+function formatTime(sec)
+{
+    var value = sec
+    var seconds = value % 60
+    value /= 60
+    value = (value > 1) ? Math.round(value) : 0
+    var minutes = value % 60
+    value /= 60
+    value = (value > 1) ? Math.round(value) : 0
+    var hours = value
+    if (hours > 0) value = hours + "h:"+ minutes + "m"
+    else value = minutes + "min"
+    return value
+}
+
+function formatDistance(meters)
+{
+    var dist = Math.round(meters)
+    if (dist > 1000 ){
+        if (dist > 100000){
+            dist = Math.round(dist / 1000)
+        }
+        else{
+            dist = Math.round(dist / 100)
+            dist = dist / 10
+        }
+        dist = dist + " km"
+    }
+    else{
+        dist = dist + " m"
+    }
+    return dist
+}