--- loncom/interface/loncommon.pm	2007/09/19 06:24:26	1.586
+++ loncom/interface/loncommon.pm	2007/09/26 12:34:19	1.589
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.586 2007/09/19 06:24:26 raeburn Exp $
+# $Id: loncommon.pm,v 1.589 2007/09/26 12:34:19 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1094,30 +1094,58 @@ function init_geometry() {
     if (Geometry.init) { return };
     Geometry.init=1;
     if (window.innerHeight) {
-	Geometry.getViewportHeight = function() { return window.innerHeight; };
+	Geometry.getViewportHeight   = function() { return window.innerHeight; };
+	Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
+	Geometry.getVerticalScroll   = function() { return window.pageYOffset; };
     }
     else if (document.documentElement && document.documentElement.clientHeight) {
 	Geometry.getViewportHeight = 
 	    function() { return document.documentElement.clientHeight; };
+	Geometry.getHorizontalScroll = 
+	    function() { return document.documentElement.scrollLeft; };
+	Geometry.getVerticalScroll = 
+	    function() { return document.documentElement.scrollTop; };
     }
     else if (document.body.clientHeight) {
 	Geometry.getViewportHeight = 
 	    function() { return document.body.clientHeight; };
+	Geometry.getHorizontalScroll = 
+	    function() { return document.body.scrollLeft; };
+	Geometry.getVerticalScroll = 
+	    function() { return document.body.scrollTop; };
     }
 }
 
+function getX(element) {
+    var x = 0;
+    while (element) {
+	x += element.offsetLeft;
+	element = element.offsetParent;
+    }
+    return x;
+}
+function getY(element) {
+    var y = 0;
+    while (element) {
+	y += element.offsetTop;
+	element = element.offsetParent;
+    }
+    return y;
+}
+
+
 function resize_textarea(textarea_id,bottom_id) {
     init_geometry();
     var textarea        = document.getElementById(textarea_id);
     //alert(textarea);
 
-    var textarea_top    = textarea.offsetTop;
+    var textarea_top    = getY(textarea);
     var textarea_height = textarea.offsetHeight;
     var bottom          = document.getElementById(bottom_id);
-    var bottom_top      = bottom.offsetTop;
+    var bottom_top      = getY(bottom);
     var bottom_height   = bottom.offsetHeight;
     var window_height   = Geometry.getViewportHeight();
-    var fudge           = 23; 
+    var fudge           = 23;
     var new_height      = window_height-fudge-textarea_top-bottom_height;
     if (new_height < 300) {
 	new_height = 300;
@@ -1332,8 +1360,6 @@ sub domain_select {
 
 =over 4
 
-=cut
-
 =item * multiple_select_form($name,$value,$size,$hash,$order)
 
 Returns a string containing a <select> element int multiple mode
@@ -1883,6 +1909,14 @@ sub authform_kerberos{
     }
     if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
         return;
+    } elsif ($authtype eq '') {
+        if (grep(/^mode$/,(keys(%in)))) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="krb">';
+                }
+            }
+        }
     }
     $jscall = "javascript:changed_radio('krb',$in{'formname'});";
     if ($authtype eq '') {
@@ -1956,6 +1990,14 @@ sub authform_internal{
     }
     if (!$can_assign{'int'}) {
         return;
+    } elsif ($authtype eq '') {
+        if (grep(/^mode$/,(keys(%in)))) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="int">';
+                }
+            }
+        }
     }
     $jscall = "javascript:changed_radio('int',$in{'formname'});";
     if ($authtype eq '') {
@@ -1997,6 +2039,14 @@ sub authform_local{
     }
     if (!$can_assign{'loc'}) {
         return;
+    } elsif ($authtype eq '') {
+        if (grep(/^mode$/,(keys(%in)))) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="loc">';
+                }
+            }
+        }
     }
     $jscall = "javascript:changed_radio('loc',$in{'formname'});";
     if ($authtype eq '') {
@@ -2035,6 +2085,14 @@ sub authform_filesystem{
     }
     if (!$can_assign{'fsys'}) {
         return;
+    } elsif ($authtype eq '') {
+        if (grep(/^mode$/,(keys(%in)))) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="fsys">';
+                }
+            }
+        }
     }
     $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
     if ($authtype eq '') {
@@ -2095,7 +2153,6 @@ sub get_assignable_auth {
     return ($authnum,%can_assign);
 }
 
-
 ###############################################################
 ##    Get Authentication Defaults for Domain                 ##
 ###############################################################
@@ -4273,13 +4330,13 @@ table.LC_data_table, table.LC_mail_list
 }
 table.LC_nested_outer {
   border: 1px solid #000000;
-  border-collapse: separate;
+  border-collapse: collapse;
   border-spacing: 0px;
   width: 100%;
 }
 table.LC_nested {
   border: 0px;
-  border-collapse: separate;
+  border-collapse: collapse;
   border-spacing: 0px;
   width: 100%;
 }
@@ -4331,7 +4388,8 @@ table.LC_nested tr.LC_info_row td {
   font-size: small;
   text-align: center;
 }
-table.LC_nested tr.LC_info_row td.LC_left_item {
+table.LC_nested tr.LC_info_row td.LC_left_item,
+table.LC_nested_outer tr th.LC_left_item {
   text-align: left;
 }
 table.LC_nested td {
@@ -4855,6 +4913,27 @@ table.LC_sty_end {
   background: #FFBBBB;
 }
 
+table.LC_double_column {
+  border-width: 0px;
+  border-collapse: collapse;
+  width: 100%;
+  padding: 2px;
+}
+
+table.LC_double_column tr td.LC_left_col {
+  top: 2x;
+  left: 2px;
+  width: 47%;
+  vertical-align: top;
+}
+
+table.LC_double_column tr td.LC_right_col {
+  top: 2px;
+  right: 2px; 
+  width: 47%;
+  vertical-align: top;
+}
+
 END
 }