/****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the Qt WebKit module 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 Nokia Corporation and its Subsidiary(-ies) 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."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
 window.onload = function() {
     var el = document.querySelector('#main');
     el.addEventListener('mousedown', function(event){

         var colors = [ 'beige', 'crimson', 'darkcyan', 'turquoise',
             'darkgoldenrod', 'darkorange', 'fuchsia',
             'greenyellow', 'lightblue', 'lightcoral',
             'lightgreen', 'mediumorchid', 'pink', 'plum',
             'skyblue', 'springgreen', 'tan', 'tomato',
             'violet', 'yellow', 'teal'];

         var x = event.offsetX;
         var y = event.offsetY;

         var loc = document.querySelector('#localStyles');
         var style = '#main:active {' + 'background: -webkit-gradient(radial, ';
             style += (x + ' ');
             style += (y + ' ');
         style += ',5,';
             style += ((x + 10) + ' ');
             style += ((y + 10) + ' ');
         style += ', 48, ';
             style += 'from(' + colors[r(5)] + '),';
             style += 'color-stop(20%, ' + colors[r(5)] + '),';
             style += 'color-stop(40%, ' + colors[r(5)] + '),';
             style += 'color-stop(60%, ' + colors[r(5)] + '),';
             style += 'color-stop(80%, ' + colors[r(5)] + '),';
             style += 'to(#ffffff) );'
             style += '}'
         loc.innerHTML = style;
     });
 }

 function r(i) {
     return Math.floor( (Math.random() * i ) );
 }