--- loncom/html/adm/jsMath/jsMath-global.html	2006/05/17 22:23:19	1.1
+++ loncom/html/adm/jsMath/jsMath-global.html	2007/10/09 21:29:16	1.2
@@ -359,7 +359,7 @@ var jsMath = {
     this.domain = '';
     // MSIE/Mac can't do domain changes, so don't bother trying
     if (navigator.appName == 'Microsoft Internet Explorer' &&
-        navigator.platform == 'MacPPC' && navigator.userProfile != null) return;
+        !navigator.platform.match(/Mac/) && navigator.userProfile != null) return;
     if (this.src == '') {
       if (window == parent) return;
       var oldDomain = document.domain;
@@ -372,7 +372,7 @@ var jsMath = {
       } catch (err) {}
       document.domain = oldDomain;
     } else {
-      if (!this.src.match(/^[^:]+:\/\/([^/]+)(:[0-9]+)?\//)) return;
+      if (!this.src.match(new RegExp('^[^:]+:\/\/([^/]+)(:[0-9]+)?\/'))) return;
       if (document.domain == RegExp.$1) return;
       var src = RegExp.$1.split(/\./);
       var loc = String(window.location.host).split(/\./);