1 /** Optimized methods for fetching ad-banners via OpenX */
3 /** see: http://enterprisejquery.com/2010/10/how-good-c-habits-can-encourage-bad-javascript-habits-part-1/ */
5 (function( openx, $, undefined ) {
17 openx.show_ads = function(server, zones) {
20 domain = document.location.protocol == 'https:' ? 'https://' + server + ':8443':'http://' + server,
23 document.write = document_write;
24 document.writeln = document_write;
26 src += "/www/delivery/spc.php?zones=";
28 /** Only fetch banners, that are really included in this page */
29 $('.oa').each(function() {
34 if (node.hasClass(name)) {
37 src += escape(id + '=' + zones[name] + "|");
42 src += "&nz=1&source=" + escape(OA_source);
43 src += "&r=" + Math.floor(Math.random()*99999999);
44 src += "&block=1&charset=UTF-8";
46 if (window.location) src += "&loc=" + escape(window.location);
47 if (document.referrer) src += "&referer=" + escape(document.referrer);
49 $.getScript(src, init_ads);
51 src = domain + '/www/delivery/fl.js';
58 for (var id in slots) {
59 if (typeof(OA_output[id]) != 'undefined' && OA_output[id] != '')
67 function render_ads() {
69 while (ads.length > 0) {
74 // node.append(id + ": " + node.attr('class'));
76 var result, src, inline;
78 while ((result = /<script/i.exec(OA_output[id])) != null) {
79 node.append(OA_output[id].slice(0,result.index));
80 /** Strip all text before "<script" from OA_output[id] */
81 OA_output[id] = OA_output[id].slice(result.index,OA_output[id].length);
82 result = /^([^>]*)>([\s\S]*?)<\\?\/script>/i.exec(OA_output[id]);
84 /** Invalid syntax in delivered banner-code: ignoring the rest of this banner-code! */
85 // alert(OA_output[id]);
89 /** Remember iinline-code, if present */
92 /** Strip all text up to and including "</script>" from OA_output[id] */
93 OA_output[id] = OA_output[id].slice(result[0].length,OA_output[id].length);
94 result = /src\s*=\s*['"]([^'"]*)['"]/i.exec(src);
96 /** script-tag with inline-code: execute inline-code! */
97 result = /^\s*<.*$/m.exec(inline);
99 /** Remove leading HTML-comments, because IE will stumble otherwise */
100 inline = inline.slice(result[0].length,inline.length);
102 $.globalEval(inline);
105 /** script-tag with src-URL! */
106 ads.push(id); // << The banner might not be rendered fully, or include more calls to document.write().
107 /** Load the script and halt all work until the script is loaded and executed... */
108 $.getScript(result[1], render_ads); // << jQuery.getScript() generates onload-Handler for _all_ browsers ;)
114 node.append(OA_output[id]);
118 /** All entries from OA_output were rendered */
124 function document_write() {
133 for (i=0; i < arguments.length; i++)
136 OA_output[id] = str + OA_output[id];
140 } ( window.openx = window.openx || {}, jQuery ));
142 var OA_output = {}; // << Needed, because IE will complain loudly otherwise!