root/branches/2.0/wp-admin/cat-js.php

<?php
require_once('admin.php');
header('Content-type: text/javascript; charset=' . get_settings('blog_charset'), true);
?>
var ajaxCat = new sack();
var newcat;
 
function newCatAddIn() {
    if ( !document.getElementById('jaxcat') ) return false;
    var ajaxcat = document.createElement('span');
    ajaxcat.id = 'ajaxcat';

    newcat = document.createElement('input');
    newcat.type = 'text';
    newcat.name = 'newcat';
    newcat.id = 'newcat';
    newcat.size = '16';
    newcat.setAttribute('autocomplete', 'off');
    newcat.onkeypress = ajaxNewCatKeyPress;

    var newcatSub = document.createElement('input');
    newcatSub.type = 'button';
    newcatSub.name = 'Button';
    newcatSub.id = 'catadd';
    newcatSub.value = '<?php echo addslashes(__('Add')); ?>';
    newcatSub.onclick = ajaxNewCat;

    ajaxcat.appendChild(newcat);
    ajaxcat.appendChild(newcatSub);
    document.getElementById('jaxcat').appendChild(ajaxcat);

    howto = document.createElement('span');
    howto.innerHTML = '<?php echo addslashes(__('Separate multiple categories with commas.')); ?>';
    howto.id = 'howto';
    ajaxcat.appendChild(howto);
}

addLoadEvent(newCatAddIn);

function getResponseElement() {
    var p = document.getElementById('ajaxcatresponse');
    if (!p) {
        p = document.createElement('span');
        document.getElementById('jaxcat').appendChild(p);
        p.id = 'ajaxcatresponse';
    }
    return p;
}

function newCatLoading() {
    var p = getResponseElement();
    p.innerHTML = '<?php echo addslashes(__('Sending Data...')); ?>';
}

function newCatLoaded() {
    var p = getResponseElement();
    p.innerHTML = '<?php echo addslashes(__('Data Sent...')); ?>';
}

function newCatInteractive() {
    var p = getResponseElement();
    p.innerHTML = '<?php echo addslashes(__('Processing Request...')); ?>';
}

function newCatCompletion() {
    var p = getResponseElement();
    var id    = 0;
    var ids   = new Array();
    var names = new Array();
    
    ids   = myPload( ajaxCat.response );
    names = myPload( newcat.value );
    for ( i = 0; i < ids.length; i++ ) {
        id = ids[i].replace(/[\n\r]+/g, "");
        if ( id == '-1' ) {
            p.innerHTML = "<?php echo addslashes(__("You don't have permission to do that.")); ?>";
            return;
        }
        if ( id == '0' ) {
            p.innerHTML = "<?php echo addslashes(__('That category name is invalid.  Try something else.')); ?>";
            return;
        }
        
        var exists = document.getElementById('category-' + id);
        
        if (exists) {
            var moveIt = exists.parentNode;
            var container = moveIt.parentNode;
            container.removeChild(moveIt);
            container.insertBefore(moveIt, container.firstChild);
            moveIt.id = 'new-category-' + id;
            exists.checked = 'checked';
            var nowClass = moveIt.className;
            moveIt.className = nowClass + ' fade';
            Fat.fade_all();
            moveIt.className = nowClass;
        } else {
            var catDiv = document.getElementById('categorychecklist');
            var newLabel = document.createElement('label');
            newLabel.setAttribute('for', 'category-' + id);
            newLabel.id = 'new-category-' + id;
            newLabel.className = 'selectit fade';
    
            var newCheck = document.createElement('input');
            newCheck.type = 'checkbox';
            newCheck.value = id;
            newCheck.name = 'post_category[]';
            newCheck.id = 'category-' + id;
            newLabel.appendChild(newCheck);
    
            var newLabelText = document.createTextNode(' ' + names[i]);
            newLabel.appendChild(newLabelText);
    
            catDiv.insertBefore(newLabel, catDiv.firstChild);
            newCheck.checked = 'checked';
    
            Fat.fade_all();
            newLabel.className = 'selectit';
        }
        newcat.value = '';
    }
    p.parentNode.removeChild(p);
//    var id = parseInt(ajaxCat.response, 10);
}

function ajaxNewCatKeyPress(e) {
    if (!e) {
        if (window.event) {
            e = window.event;
        } else {
            return;
        }
    }
    if (e.keyCode == 13) {
        ajaxNewCat();
        e.returnValue = false;
        e.cancelBubble = true;
        return false;
    }
}

function ajaxNewCat() {
    var newcat = document.getElementById('newcat');
    var split_cats = new Array(1);
    var catString = '';

    catString = ajaxCat.encVar('ajaxnewcat', newcat.value) + '&' + ajaxCat.encVar('cookie', document.cookie);
    ajaxCat.requestFile = 'edit-form-ajax-cat.php';
    ajaxCat.method = 'POST';
    ajaxCat.onLoading = newCatLoading;
    ajaxCat.onLoaded = newCatLoaded;
    ajaxCat.onInteractive = newCatInteractive;
    ajaxCat.onCompletion = newCatCompletion;
    ajaxCat.runAJAX(catString);
}

function myPload( str ) {
    var fixedExplode = new Array();
    var comma = new String(',');
    var count = 0;
    var currentElement = '';

    for( x=0; x < str.length; x++) {
        andy = str.charAt(x);
        if ( comma.indexOf(andy) != -1 ) {
            currentElement = currentElement.replace(new RegExp('^\\s*(.*?)\\s*$', ''), '$1'); // trim
            fixedExplode[count] = currentElement;
            currentElement = "";
            count++;
        } else {
            currentElement += andy;
        }
    }

    if ( currentElement != "" )
        fixedExplode[count] = currentElement;
    return fixedExplode;
}