--- loncom/interface/loncommon.pm	2007/08/30 23:02:03	1.564.2.4
+++ loncom/interface/loncommon.pm	2007/08/25 19:52:29	1.569
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.564.2.4 2007/08/30 23:02:03 albertel Exp $
+# $Id: loncommon.pm,v 1.569 2007/08/25 19:52:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1084,6 +1084,63 @@ sub changable_area {
 
 =pod
 
+=item * resize_textarea_js
+
+emits the needed javascript to resize a textarea to be as big as possible
+
+creates a function resize_textrea that takes two IDs first should be
+the id of the element to resize, second should be the id of a div that
+surrounds everything that comes after the textarea, this routine needs
+to be attached to the <body> for the onload and onresize events.
+
+
+=cut
+
+sub resize_textarea_js {
+    return <<"RESIZE";
+    <script type="text/javascript">
+var Geometry = {};
+function init_geometry() {
+    if (Geometry.init) { return };
+    Geometry.init=1;
+    if (window.innerHeight) {
+	Geometry.getViewportHeight = function() { return window.innerHeight; };
+    }
+    else if (document.documentElement && document.documentElement.clientHeight) {
+	Geometry.getViewportHeight = 
+	    function() { return document.documentElement.clientHeight; };
+    }
+    else if (document.body.clientHeight) {
+	Geometry.getViewportHeight = 
+	    function() { return document.body.clientHeight; };
+    }
+}
+
+function resize_textarea(textarea_id,bottom_id) {
+    init_geometry();
+    var textarea        = document.getElementById(textarea_id);
+    //alert(textarea);
+
+    var textarea_top    = textarea.offsetTop;
+    var textarea_height = textarea.offsetHeight;
+    var bottom          = document.getElementById(bottom_id);
+    var bottom_top      = bottom.offsetTop;
+    var bottom_height   = bottom.offsetHeight;
+    var window_height   = Geometry.getViewportHeight();
+    var fudge           = 23; 
+    var new_height      = window_height-fudge-textarea_top-bottom_height;
+    if (new_height < 300) {
+	new_height = 300;
+    }
+    textarea.style.height=new_height+'px';
+}
+</script>
+RESIZE
+
+}
+
+=pod
+
 =back
  
 =head1 Excel and CSV file utility routines
@@ -3458,6 +3515,9 @@ sub bodytag {
     if (!$realm) { $realm='&nbsp;'; }
 # Set messages
     my $messages=&domainlogo($domain);
+# Port for miniserver
+    my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
+    if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
 
     my $extra_body_attr = &make_attr_string($forcereg,\%design);
 
@@ -3575,7 +3635,7 @@ ENDROLE
 
     my $imgsrc = $img;
     if ($img =~ /^\/adm/) {
-        $imgsrc = &lonhttpdurl($img);
+        $imgsrc = 'http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.$img;
     }
     my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
 
@@ -5582,6 +5642,7 @@ sub user_picker {
                     'instd'     => 'in institutional directory',
                     'exact'     => 'is',
                     'contains'  => 'contains',
+                    'begins'    => 'begins with',
                                        );
     my $domform = &select_dom_form($currdom,'srchdomain',1,1);
     my $srchinsel = ' <select name="srchin">';
@@ -5617,7 +5678,7 @@ sub user_picker {
     $srchbysel .= "\n  </select>\n";
 
     my $srchtypesel = ' <select name="srchtype">';
-    foreach my $option ('exact','contains') {
+    foreach my $option ('exact','begins','contains') {
         if ($curr_selected{'srchtype'} eq $option) {
             $srchtypesel .= '
    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
@@ -5686,6 +5747,13 @@ function validateEntry() {
         msg += "You must include some text to search for.\\n";
     }
 
+    if (srchtype== 'begins') {
+        if (srchterm.length < 2) {
+            checkok = 0;
+            msg += "The text you are searching for must contain at least two characters when using a 'begins' type search.\\n";
+        }
+    }
+
     if (srchtype== 'contains') {
         if (srchterm.length < 3) {
             checkok = 0;
@@ -7302,27 +7370,10 @@ sub icon {
     return &lonhttpdurl($iconname);
 } 
 
-sub lonhttpd_port {
-    my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
-    if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
-    # IE doesn't like a secure page getting images from a non-secure
-    # port (when logging we haven't parsed the browser type so default
-    # back to secure
-    if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
-	&& $ENV{'SERVER_PORT'} == 443) {
-	return 443;
-    }
-    return $lonhttpd_port;
-
-}
-
 sub lonhttpdurl {
     my ($url)=@_;
-
-    my $lonhttpd_port = &lonhttpd_port();
-    if ($lonhttpd_port == 443) {
-	return 'https://'.$ENV{'SERVER_NAME'}.$url;
-    }
+    my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
+    if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
     return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
 }
 
