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/*
// +------------------------------------------------------------------+
// | Inspired by Code that is Copyright (c) 2004 Bitflux GmbH |
// | http://blog.bitflux.ch/p1735.html |
// | And heavily modified by Jeff Minard |
// | http://www.creatimation.net |
// +------------------------------------------------------------------+
// | Dependent on SACK which is Copyright (c) 2005 Gregory Wild-Smith |
// | http://twilightuniverse.com/resources/code/sack/ |
// +------------------------------------------------------------------+
// | Author: Michael D. Adams |
// | http://blogwaffe.com/ |
// +------------------------------------------------------------------+
// | Version: 1.2 |
// +------------------------------------------------------------------+
// | License: GPL2 |
// | http://www.gnu.org/copyleft/gpl.html |
// +------------------------------------------------------------------+
*/
// Simon Willison http://simon.incutio.com/archive/2004/05/26/addLoadEvent
if ( 'function' != typeof addLoadEvent )
addLoadEvent = function(func) {
var oldonload=window.onload;
if(typeof window.onload!='function')window.onload=func;
else window.onload=function(){oldonload();func();}
}
var commentPreview;var commentPreviewLast = '';
var emptyString = "Click the "Preview" button to preview your comment here.";
var acpFormElement; var inputElement;var outputElement;var doitElement;var authorElement;var urlElement;
function commentPreviewInit() {
doitElement = document.getElementById('acp-preview');
acpFormElement = doitElement.parentNode;
while ( 'form' != acpFormElement.tagName.toLowerCase() )
acpFormElement = acpFormElement.parentNode;
inputElement = acpGetFormInput( 'comment' );
outputElement = document.getElementById('ajax-comment-preview');
authorElement = acpGetFormInput( 'author' );
urlElement = acpGetFormInput( 'url' );
if ( inputElement == null || outputElement == null || doitElement == null ) return;
doitElement.onclick = commentPreviewAJAX;
// set the result field to hidden, or to default string
if ( '' == emptyString ) outputElement.style.display = 'none';
else outputElement.innerHTML = emptyString;
}
addLoadEvent(commentPreviewInit);
function acpGetFormInput( el ) {
for ( i=0; i < acpFormElement.elements.length; i++ )
if ( el == acpFormElement.elements[i].name )
return acpFormElement.elements[i];
}
function commentPreviewAJAX() {
var req = '';
var newSack = false;
commentPreview = new sack('http://drishtis.funknet.net/wp-content/plugins/ajax-comment-preview/ajax-comment-preview.php');
var sep = commentPreview.argumentSeparator ? commentPreview.argumentSeparator : '&';
commentPreview.method = 'POST';
commentPreview.encodeURIString = false;
commentPreview.onLoading = function() { outputElement.innerHTML = 'Loading.'; };
commentPreview.onLoaded = function() { outputElement.innerHTML += '.'; };
commentPreview.onInteractive = function() { outputElement.innerHTML += '.'; };
commentPreview.onCompletion = function() { outputElement.innerHTML = commentPreview.response; };
req = commentPreview.encVar('text', inputElement.value);
if ( req ) {
req += authorElement ? sep + commentPreview.encVar('author', authorElement.value) : '';
req += urlElement ? sep + commentPreview.encVar('url', urlElement.value) : '';
} else {
if ( authorElement ) commentPreview.encVar('author', authorElement.value);
if ( urlElement ) commentPreview.encVar('url', urlElement.value);
req = new Array();
for (key in commentPreview.vars)
req[req.length] = key + "=" + commentPreview.vars[key][0];
req = req.join(sep);
newSack = true;
}
if ( req != commentPreviewLast && '' != inputElement.value ) { commentPreview.runAJAX(newSack?'':req); }
else if ( '' == inputElement.value ) {
if( '' == emptyString ) { outputElement.innerHTML = ''; outputElement.style.display = "none"; }
else outputElement.innerHTML = emptyString;
}
commentPreviewLast = req;
}