debugger;

This script allows you to use HTML5 tags (nav, header, footer, etc) in Internet Explorer 7 and 8.

To use it put this code in your page:

<!--[if lt IE 9]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->

To prevent text selection of any element use:

in Firefox, Opera and Webkit based browsers (Chrome, Safari, etc) this can be achieved by setting a CSS property.

-webkit-user-select:none;
-moz-user-select:none;
-o-user-select: none;
user-select: none;

user-select is part of the CSS3 standard.

For IE < 9 we have two options:

Using javascript:

onselectstart="return false;"

and using the HTML attribute

unselectable="on"

Simple Ternary Search Tree Implementation in Ruby.

Currently supports:

• Insertion (insert)
• Search (search, node)
• Printing (to_s)

git clone at: http://github.com/giancarlo/algorithms.git