Removed Unwanted focus styles from mouse events, but keeps them for tabbed navigation.

unwanted.focus.js

// Unobtrusive JavaScript: Remove Unwanted Link Border Outlines
// http://www.mikesmullin.com/2006/06/16/removing-the-dotted-outline-from-focused-links

var runOnLoad = [];
window.onload = function () {
    'use strict';
    for (var i = 0; i < runOnLoad.length; i++) {
        runOnLoad[i]();
    }
};
if (document.getElementsByTagName) {
    var a = document.getElementsByTagName('a');
    for (var i in a) {
        a[i].onmousedown = function () {
            'use strict';
            this.blur();                 // most browsers 
            this.hideFocus = true;       // internet explorer
            this.style.outline = 'none'; // mozilla
        };
        a[i].onmouseout = a[i].onmouseup = function () {
            'use strict';
            this.blur();                 // most browsers 
            this.hideFocus = false;      // internet explorer 
            // Only run if not IE8. This just feels so dirty.
            /*@cc_on   
                @if (!(@_jscript_version === 5.8)) { 
                    this.style.outline = null;   // mozilla 
                }
                @end
            @*/
        };
    }
}