jayde

// Check to see if a <select> has an empty selection/no value
$.fn.checkEmptySelection = function() {
    var emptyClass = 'noselection';
    
    $(this).each(function() {
        if( $(this).val() == emptySelection ) {
            $(this).addClass(emptyClass);
        } 
    });
    

jayde

// make sure that input type="number" only accepts numbers
$.fn.allowNumbersOnly = function() {
    $(this).keydown(function (event) {
        var num = event.keyCode;
        if ((num > 95 && num < 106) || (num > 36 && num < 41) || num == 9) {
            return;
        }
        if (event.shiftKey || event.ctrlKey || event.altKey) {
            event.preventDefault();
        } else if (num != 8 && num != 46 && num != 109 && num != 110 && num != 188 && num != 189 && num != 190) {

jayde

<?
header("Content-type: text/html; charset=utf-8");
if(empty($_SERVER['PHP_AUTH_USER'])) {
    header('WWW-Authenticate: Basic realm=""');
    header('HTTP/1.0 401 Unauthorized');
    echo 'Login and Password Required';
    exit;
} else {
    echo "Username: ".$_SERVER['PHP_AUTH_USER']."<br>";
    echo "Password: ".$_SERVER['PHP_AUTH_PW']."<p>";

jayde

// url: http://stackoverflow.com/questions/7600454/how-to-prevent-page-scrolling-when-scrolling-a-div-element

// function
$.fn.isolatedScroll = function() {
    this.bind('mousewheel DOMMouseScroll', function (e) {
        var delta = e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.detail,
            bottomOverflow = this.scrollTop + $(this).outerHeight() - this.scrollHeight >= 0,
            topOverflow = this.scrollTop <= 0;

        if ((delta < 0 && bottomOverflow) || (delta > 0 && topOverflow)) {