<!--
Software License Agreement (BSD License)
Copyright (c) 2009, Yahoo! Inc.
All rights reserved.
Redistribution and use of this software 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 Yahoo! Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission of Yahoo! Inc.
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.
Sources of Intellectual Property Included in the YUI Library
YUI is issued by Yahoo! under the BSD license above. Below is a list of certain publicly available software that is the source of intellectual property in YUI, along with the licensing terms that pertain to thosesources of IP. This list is for informational purposes only and is not intended to represent an exhaustive list of third party contributions to the YUI.
* Douglas Crockford's JSON parsing and stringifying methods: In the JSON Utility, Douglas Crockford's JSON parsing and stringifying methods are adapted from work published at JSON.org. The adapted work is in the public domain.
* Robert Penner's animation-easing algorithms: In the Animation Utility, YUI makes use of Robert Penner's algorithms for easing.
* Geoff Stearns's SWFObject: In the Charts Control and the Uploader versions through 2.7.0, YUI makes use of Geoff Stearns's SWFObject v1.5 for Flash Player detection and embedding. More information on SWFObject can be found here (http://blog.deconcept.com/swfobject/). SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License (http://www.opensource.org/licenses/mit-license.php).
* Diego Perini's IEContentLoaded technique: The Event Utility employs a technique developed by Diego Perini and licensed under GPL. YUI's use of this technique is included under our BSD license with the author's permission.
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>User Agent Detection</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/dragdrop/dragdrop-min.js"></script>
<!--begin custom header content for this example-->
<style type="text/css">
#dd1,#dd2 {
position: relative;
margin: 1em 1em 0;
width: 175px;
float: left;
cursor: move;
}
#demo p {
position: relative;
padding: 1em;
height: 100%;
margin: 0;
font-weight: bold;
text-align: center;
z-index: 20;
}
#dd1 p {
border: 10px solid #ccc;
background-color: #eee;
}
#dd2 p {
border: 10px solid #e76300;
background-color: #fff5df;
}
#demo .shim {
position: absolute;
top: 0;
left: 0;
width: 100%;
margin: 0;
padding: 0;
border: 0;
z-index: 10;
}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>User Agent Detection</h1>
<div class="exampleIntro">
<p>This example demonstrates the use of <code>YAHOO.env.ua</code> to identify the user's browser and to branch JavaScript logic based on what browser is being used. (<strong>Note:</strong> We strongly recommend using feature detection rather than user-agent sniffing to fork code; only use this technique where it is absolutely necessary to do so — for example, in cases where browsers do not report their own capabilities accurately.)</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<div id="demo">
<select name="foo">
<option value="NONE" selected="selected">This is a very long select element for the example</option>
<option value="1">Apple</option>
<option value="2">Rutabaga</option>
<option value="3">Motor oil</option>
</select>
<hr>
<div id="dd1">
<p>
NO IFRAME<br>
Drag over the select
</p>
</div>
<div id="dd2">
<p>
IFRAME<br>
Drag over the select
</p>
</div>
</div>
<script type="text/javascript">
YAHOO.util.Event.onDOMReady(function () {
var dd1 = new YAHOO.util.DD('dd1');
var dd2 = new YAHOO.util.DD('dd2');
dd1.startDrag = function (x,y) {
YAHOO.log("Drag started for element with no protection from the display bug", "info", "example");
}
if (YAHOO.env.ua.ie > 5 && YAHOO.env.ua.ie < 7) {
// Create an iframe shim
var shim = document.createElement('iframe');
shim.src = 'about:blank';
shim.className = 'shim';
// Add the shim to the dragging element on the first startDrag
dd2.startDrag = function (x,y) {
var d = this.getEl();
if (d.firstChild !== shim) {
YAHOO.util.Dom.setStyle(shim, 'height',d.offsetHeight);
d.insertBefore(shim, d.firstChild);
YAHOO.log("Your browser is IE " + YAHOO.env.ua.ie + ". Shim added.", "info","example");
} else {
YAHOO.log("Your browser is IE " + YAHOO.env.ua.ie + ", but the shim was already added", "info","example");
}
}
} else { // Not shim worthy
dd2.startDrag = function (x,y) {
YAHOO.log("Your browser is NOT IE. No shim added.", "info", "example");
}
}
});
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
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