Slighlty increase minimum browser requirements

program/js/app.js

@@ -136,7 +136,7 @@ function rcube_webmail()
     this.task = this.env.task;
 
     // check browser
-    if (!bw.dom || !bw.xmlhttp_test()) {
+    if (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9)) {
       this.goto_url('error', '_code=0x199');
       return;
     }

program/steps/utils/error.inc

@@ -29,11 +29,11 @@ if ($ERROR_CODE==409) {
   $__error_title = 'Your browser does not suit the requirements for this application';
   $__error_text = <<<EOF
 <i>Supported browsers:</i><br />
-&raquo; &nbsp;Netscape 7+<br />
 &raquo; &nbsp;Microsoft Internet Explorer 6+<br />
-&raquo; &nbsp;Mozilla Firefox 1.0+<br />
-&raquo; &nbsp;Opera 8.0+<br />
-&raquo; &nbsp;Safari 1.2+<br />
+&raquo; &nbsp;Mozilla Firefox 3+<br />
+&raquo; &nbsp;Chrome 10+<br />
+&raquo; &nbsp;Safari 4+<br />
+&raquo; &nbsp;Opera 8+<br />
 <br />
 &raquo; &nbsp;JavaScript enabled<br />
 &raquo; &nbsp;Support for XMLHTTPRequest<br />