--- rat/client/parameter.html	2001/08/08 15:40:52	1.12
+++ rat/client/parameter.html	2008/04/05 16:11:03	1.50
@@ -2,16 +2,37 @@
 <!--
 The LearningOnline Network with CAPA
 Parameter Input Window
-06/16/00,06/17,11/17,11/18,11/23,11/27,11/28,12/15,12/16,
-03/21/01,03/24,06/26 Gerd Kortemeyer
-07/24/01 Scott Harrison
-08/08 Gerd Kortemeyer
+//
+// $Id: parameter.html,v 1.50 2008/04/05 16:11:03 www Exp $
+//
+// Copyright Michigan State University Board of Trustees
+//
+// This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+//
+// LON-CAPA is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// LON-CAPA is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with LON-CAPA; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// /home/httpd/html/adm/gpl.txt
+//
+// http://www.lon-capa.org/
+//
 -->
 <head>
 <title>LON-CAPA</title>
 </head>
 
-<script>
+<script type="text/javascript">
 
 var ptype='';
 var pvalue='';
@@ -21,6 +42,10 @@ var pscat='';
 var pmarker='';
 var pname='';
 
+var defhour=0;
+var defmin=0;
+var defsec=0;
+
 var svalue;
 var stype;
 var smarker;
@@ -67,6 +92,14 @@ function valline(text,id1,id2) {
               id2+'></td></tr>');
 }
 
+function escapeHTML(text) {
+  text = text.replace(/&/g, '&amp;');
+  text = text.replace(/"/g, '&quot;');
+  text = text.replace(/</g, '&lt;');
+  text = text.replace(/>/g, '&gt;');
+  return text;
+}
+
 function datecalc() {
     var sform=choices.document.forms.sch;
 
@@ -149,9 +182,16 @@ function date() {
 
 function year() {
    var thisyear=cdate.getFullYear();
+   var nowdate=new Date();
+   var nowyear=nowdate.getFullYear();
+   if ( !thisyear ) { thisyear=nowyear; }
+   var loweryear=thisyear-2;
+   var upperyear=thisyear+5;
+   if (thisyear>nowyear) { loweryear=nowyear-2; }
+   if (thisyear<nowyear) { upperyear=nowyear+5; } 
     var i;
     choicewrite('<select name=year onChange="parent.datecalc();">');
-    for (i=thisyear-25;i<=thisyear+50;i++) {
+    for (i=loweryear;i<=upperyear;i++) {
         choicewrite('<option value='+i);
         if (i==thisyear) {
             choicewrite(' selected');
@@ -274,6 +314,17 @@ function stringeval() {
    draw();
 }
 
+function radiostringeval(newval) {
+   svalue=newval;
+   draw();
+}
+
+function callradiostringeval(newval) {
+   return 'onChange="parent.radiostringeval(\''
+          +newval+'\')" onClick="parent.radiostringeval(\''
+          +newval+'\')"';
+}
+
 function intervaldis() {
     csecs=svalue;
     cdays=Math.floor(csecs/86400);
@@ -285,7 +336,23 @@ function intervaldis() {
     choicewrite(cdays+' days '+chours+' hours '
                +cmins+' mins '+csecs+' secs');
 }
-    
+
+function pickcolor(picked) {
+  svalue=picked;
+  draw();
+}
+
+function colorfield(ir,ig,ib) {
+   var col=new Array;
+   col=["00","11","22","44","66","88","AA","CC","DD","EE","FF"];
+   var color='#'+col[ir]+col[ig]+col[ib];
+   var selection="<font color='"+color+"'>X</font>";
+   if (color==svalue) { selection="<font color='#"+col[10-ir]+col[10-ig]+col[10-ib]+"'>X</font>"; }
+   choicewrite('<td bgcolor="'+color+'"><a href="javascript:parent.pickcolor('+"'"+
+               color+"'"+')">'+selection+'</a></td>');
+               
+}    
+
 function draw() {
    choicestart();
    choicewrite('<form name=sch');
@@ -301,18 +368,20 @@ function draw() {
    choicewrite('>');
    if (ptype=='tolerance') {
 // 0: pscat
-// 1: after processing
       if (pscat=='default') {
          tablestart('Use default value or algorithm of resource');
       }
-      if (pscat=='exact') {
-         tablestart('Accept only exact value, zero tolerance');
-      }
       if (pscat=='relative_sym') {
 // 2: percentage
 // 3: open
          tablestart('Percentage error, symmetric around value');
          valline('Percentage',2,3);
+         if ((svalue!='') && (typeof(svalue)!="undefined")) {
+            choices.document.forms.sch.val2.value=parseInt(svalue);
+            if (svalue.indexOf('+')!=-1) {
+               choices.document.forms.sch.val3.checked=true;
+            }
+         }
       }
       if (pscat=='relative') {
 // 2: left
@@ -322,24 +391,47 @@ function draw() {
          tablestart('Percentage error, asymmetric around value');
          valline('Upper percentage',2,3);
          valline('Lower percentage',4,5);
+         var range1=new Array;
+         if ((svalue!='') && (typeof(svalue)!="undefined")) {
+            range1=svalue.split(',');
+            if (typeof(range1[1])=='undefined') { range1[1]=range1[0]; }
+            choices.document.forms.sch.val2.value=parseFloat(range1[0]);
+            if (range1[0].indexOf('+')!=-1) {
+               choices.document.forms.sch.val3.checked=true;
+            }
+            choices.document.forms.sch.val4.value=parseFloat(range1[1]);
+            if (range1[1].indexOf('+')!=-1) {
+               choices.document.forms.sch.val5.checked=true;
+            }
+         }
       }
       if (pscat=='absolute_sym') {
          tablestart('Absolute error, symmetric around value');
          valline('Value',2,3);
+         if ((svalue!='') && (typeof(svalue)!="undefined")) {
+            choices.document.forms.sch.val2.value=parseFloat(svalue);
+            if (svalue.indexOf('+')!=-1) {
+               choices.document.forms.sch.val3.checked=true;
+            }
+         }
       }
       if (pscat=='absolute') {
          tablestart('Absolute error, asymmetric around value');
          valline('Upper value',2,3);
          valline('Lower value',4,5);
-      }
-      if (pscat=='sigdigits') {
-         tablestart('Agreement on significant digits');
-  choicewrite('<tr bgcolor="#AAFFAA"><td colspan=3>Number of digits: '
-             +'<input type=text size=4 name=val2></td></tr>');
-
-choicewrite('<tr bgcolor="#AAFFAA"><td colspan=3>Accept if more digits given: '
-             +'<input type=checkbox name=val3></td></tr>');
-         
+         var range2=new Array;
+         if ((svalue!='') && (typeof(svalue)!="undefined")) {
+            range=svalue.split(',');
+            if (typeof(range2[1])=='undefined') { range2[1]=range2[0]; }
+            choices.document.forms.sch.val2.value=parseFloat(range2[0]);
+            if (range2[0].indexOf('+')!=-1) {
+               choices.document.forms.sch.val3.checked=true;
+            }
+            choices.document.forms.sch.val4.value=parseFloat(range2[1]);
+            if (range2[1].indexOf('+')!=-1) {
+               choices.document.forms.sch.val5.checked=true;
+            }
+         }
       }
    }
 
@@ -349,10 +441,10 @@ choicewrite('<tr bgcolor="#AAFFAA"><td c
          choicewrite('</table>');
      } else {
       if (pscat=='start') {
-         tablestart('Starting or opening date and time');
+         tablestart('Date and time');
       }
       if (pscat=='end') {
-         tablestart('Ending or closing date and time');
+         tablestart('Date and time');
       }
       if (pscat=='interval') {
          tablestart('Time interval');
@@ -378,10 +470,29 @@ choicewrite('<tr bgcolor="#AAFFAA"><td c
    }
 
    if (ptype=='int') {
+      var pscatparts=new Array;
+      pscatparts=pscat.split(',');
+      pscat=pscatparts[0];
       if (pscat=='default') {
          tablestart('Default value or none');
-         choicewrite('</table>');         
+         choicewrite('</table>');
       } else {
+       if (pscat=='range') {
+         tablestart('Integer range');      
+         choicewrite('<tr bgcolor="#AAFFAA"><td>Lower Value:'+
+              '</td><td colspan=2><input type=text size=4 name=val2'+
+              '></td></tr>');
+         choicewrite('<tr bgcolor="#AAFFAA"><td>Upper Value:'+
+              '</td><td colspan=2><input type=text size=4 name=val4'+
+              '></td></tr></table>');
+         var range=new Array;
+         if ((svalue!='') && (typeof(svalue)!="undefined")) {
+            range=svalue.split(',');
+            if (typeof(range[1])=='undefined') { range[1]=range[0]; }
+            choices.document.forms.sch.val2.value=parseInt(range[0]);
+            choices.document.forms.sch.val4.value=parseInt(range[1]);
+         }
+       } else {
         if (pscat=='pos') {
            tablestart('Positive (non-zero) integer');
         }
@@ -393,17 +504,15 @@ choicewrite('<tr bgcolor="#AAFFAA"><td c
            rangeparts=split(',',pscat);
            tablestart('Integer in the range ['+rangeparts[1]+']');
         }
-        if (pscat=='range') {
-           tablestart('Integer range');      
-        }
         if (pscat=='any') {
            tablestart('Integer');
         }
         choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
-        choicewrite('<input name=intval size=10 value="'+svalue+
+        choicewrite('<input name=intval size=10 value="'+escapeHTML(svalue)+
                     '" name=intval onChange="parent.integereval()">');
         choicewrite('</td></table>');
       }
+     }
    }
 
    if (ptype=='float') {
@@ -421,28 +530,167 @@ choicewrite('<tr bgcolor="#AAFFAA"><td c
            tablestart('Floating point number');
         }
         choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
-        choicewrite('<input name=floatval size=10 value="'+svalue+
+        choicewrite('<input name=floatval size=10 value="'+escapeHTML(svalue)+
                     '" name=floatval onChange="parent.floateval()">');
         choicewrite('</td></table>');
       }
    }
 
    if (ptype=='string') {
-      if (pscat=='default') {
-         tablestart('Default value or none');
-         choicewrite('</table>');         
-      } else {
-        if (pscat=='any') {
+        if ((pscat=='any') || (pscat=='') || (pscat=='default') ||  
+            (typeof(pscat)=='undefined')) {
            tablestart('Text');
-        }
-        choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
-        choicewrite('<input name=intval size=20 value="'+svalue+
-                    '" name=stringval onChange="parent.stringeval()">');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<input name="stringval" size="20" value="'+escapeHTML(svalue)+
+                    '" type="text" onChange="parent.stringeval()">');
+        }
+        if (pscat=='yesno') {
+           tablestart('Yes/No');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<label><input name="stringval" value="yes"'+
+                  ' type="radio" '+callradiostringeval('yes'));
+           if (svalue=='yes') { choicewrite(' checked'); }
+           choicewrite('> Yes</label><br />');
+           choicewrite('<label><input name="stringval" value="no"'+
+                  ' type="radio" '+callradiostringeval('no'));
+           if (svalue=='no') { choicewrite(' checked'); }
+           choicewrite('> No</label><br />');
+        }
+        if (pscat=='problemstatus') {
+           tablestart('Problem Status');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<label><input name="stringval" value="yes"'+
+                  ' type="radio" '+callradiostringeval('yes'));
+           if (svalue=='yes') { choicewrite(' checked'); }
+           choicewrite('> Yes</label><br />');
+           choicewrite('<label><input name="stringval" value="answer"'+
+                  ' type="radio" '+callradiostringeval('answer'));
+           if (svalue=='answer') { choicewrite(' checked'); }
+           choicewrite('> Yes, and show correct answer if they exceed the maximum number of tries.</label><br />');
+           choicewrite('<label><input name="stringval" value="no"'+
+                  ' type="radio" '+callradiostringeval('no'));
+           if (svalue=='no') { choicewrite(' checked'); }
+           choicewrite('> No, don\'t show correct/incorrect feedback.</label><br />');
+           choicewrite('<label><input name="stringval" value="no_feedback_ever"'+
+                  ' type="radio" '+callradiostringeval('no_feedback_ever'));
+           if (svalue=='no_feedback_ever') { choicewrite(' checked'); }
+           choicewrite('> No, show no feedback at all.</label><br />');
+        }
+        if (pscat=='examtype') {
+           tablestart('Exam Type');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<label><input name="stringval" value="online"'+
+                ' type="radio" '+callradiostringeval('online'));
+           if (svalue=='online') { choicewrite(' checked'); }
+           choicewrite('> Online</label><br />');
+           choicewrite('<label><input name="stringval" value="checkout"'+
+              ' type="radio" '+callradiostringeval('checkout'));
+           if (svalue=='checkout') { choicewrite(' checked'); }
+           choicewrite('> Check out</label><br />');
+       }
+        if (pscat=='questiontype') {
+           tablestart('Question Type');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<label><input name="stringval" value="problem"'+
+               ' type="radio" '+callradiostringeval('problem'));
+           if (svalue=='problem') { choicewrite(' checked'); }
+           choicewrite('> Standard Problem</label><br />');
+//	   choicewrite('<label><input name="stringval" value="quiz"'+
+//                ' type="radio" '+callradiostringeval('quiz'));
+//         if (svalue=='quiz') { choicewrite(' checked'); }
+//         choicewrite('> Quiz</label><br />');
+           choicewrite('<label><input name="stringval" value="practice"'+
+                  ' type="radio" '+callradiostringeval('practice'));
+           if (svalue=='practice') { choicewrite(' checked'); }
+           choicewrite('> Practice</label><br />');
+           choicewrite('<label><input name="stringval" value="exam"'+
+                  ' type="radio" '+callradiostringeval('exam'));
+           if (svalue=='exam') { choicewrite(' checked'); }
+           choicewrite('> Exam</label><br />');
+//         choicewrite('<label><input name="stringval" value="assess"'+
+//              ' type="radio" '+callradiostringeval('assess'));
+//         if (svalue=='assess') { choicewrite(' checked'); }
+//         choicewrite('> Assessment</label><br />');
+           choicewrite('<label><input name="stringval" value="survey"'+
+                ' type="radio" '+callradiostringeval('survey'));
+           if (svalue=='survey') { choicewrite(' checked'); }
+           choicewrite('> Survey</label><br />');
+//         choicewrite('<label><input name="stringval" value="form"'+
+//                ' type="radio" '+callradiostringeval('form'));
+//         if (svalue=='form') { choicewrite(' checked'); }
+//         choicewrite('> Input Form</label><br />');
+           choicewrite('<label><input name="stringval" value="library"'+
+               ' type="radio" '+callradiostringeval('library'));
+           if (svalue=='library') { choicewrite(' checked'); }
+           choicewrite('> Library</label><br />');
+        }
+        if (pscat=='ip') {
+           tablestart('IP Number/Name');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<input name="stringval" size="20" value="'+escapeHTML(svalue)+
+                    '" onChange="parent.stringeval()">');
+        }
+        if (pscat=='fileext') {
+            tablestart('Allowed File Extensions');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<label><input name="radstringval" value="txt"'+
+               ' type="radio" '+callradiostringeval('txt'));
+           if (svalue=='txt') { choicewrite(' checked'); }
+           choicewrite('> Plain Text</label><br />');
+           choicewrite('<label><input name="radstringval" value="png,jpg,jpeg,gif"'+
+               ' type="radio" '+callradiostringeval('png,jpg,jpeg,gif'));
+           if (svalue=='png,jpg,jpeg,gif') { choicewrite(' checked'); }
+           choicewrite('> Picture File</label><br />');
+           choicewrite('<label><input name="radstringval" value="doc,xls,ppt"'+
+               ' type="radio" '+callradiostringeval('doc,xls,ppt'));
+           if (svalue=='doc,xls,ppt') { choicewrite(' checked'); }
+           choicewrite('> Office Document</label><br />');
+           choicewrite('<input name="stringval" size="20" value="'+escapeHTML(svalue)+
+                    '" onChange="parent.stringeval()">');
+       }
+       if (pscat=='useslots') {
+           tablestart('Slots control access');
+	   choicewrite('<tr bgcolor="#AAFFAA"><td>Value:</td><td colspan=2>');
+           choicewrite('<label><input name="stringval" value="no"'+
+                  ' type="radio" '+callradiostringeval('no'));
+           if (svalue=='no') { choicewrite(' checked'); }
+           choicewrite('> No</label><br />');
+           choicewrite('<label><input name="stringval" value="resource"'+
+                  ' type="radio" '+callradiostringeval('resource'));
+           if (svalue=='resource') { choicewrite(' checked'); }
+           choicewrite('> Yes, and the scope of student selected slot is a single resource.</label><br />');
+           choicewrite('<label><input name="stringval" value="map"'+
+                  ' type="radio" '+callradiostringeval('map'));
+           if (svalue=='map') { choicewrite(' checked'); }
+           choicewrite('> Yes, and the scope of student selected slot is the enclosing map/folder. When checking in, it applies to only one resource.</label><br />');
+           choicewrite('<label><input name="stringval" value="map_map"'+
+                  ' type="radio" '+callradiostringeval('map_map'));
+           if (svalue=='map_map') { choicewrite(' checked'); }
+           choicewrite('> Yes, and the scope of student selected slot is the enclosing map/folder. When checking in, all resources in the map/folder are checked in..</label><br />');
         choicewrite('</td></table>');
       }
    }
+   
+   if (ptype=='color') {
+      tablestart('Choose a Color');
+      choicewrite('<table>');
+      if (svalue) {
+         choicewrite('<tr><td colspan="9">Current choice:</td><td bgcolor="'+
+                     escapeHTML(svalue)+'" colspan="2">&nbsp;</td></tr>');
+      }
+      for (var ir=0; ir<=10; ir++) {
+          for (var ig=0; ig<=10; ig++) {
+              choicewrite('<tr>');
+              for (var ib=0; ib<=10; ib++) {
+                  colorfield(ir,ig,ib);
+	      }
+              choicewrite('</tr>');
+	  }	      
+      }
+      choicewrite('</table></td></table>');
+   }
 
-   choicewrite('</table></form>');
+   choicewrite('</form>');
    choiceend();
 }
 
@@ -462,7 +710,7 @@ function catchange() {
 
 function assemble() {
     if ((ptype=='date') && (pscat!='interval')) {
-        svalue=Math.round(cdate.getTime()/1000);
+        svalue=Math.floor(cdate.getTime()/1000);
     }
     if (ptype=='tolerance') {
        if (pscat=='relative_sym') {
@@ -498,9 +746,12 @@ function assemble() {
           }
        }
     }
+    if ((ptype=='int') && (pscat=='range')) {
+          svalue=choices.document.forms.sch.val2.value+','+
+                 choices.document.forms.sch.val4.value;
+    }
     if (pscat=='default') { svalue=''; }
     stype=ptype+'_'+pscat;
-//    prompt(stype+' - '+svalue);
 }
 
 
@@ -528,6 +779,11 @@ function init() {
      if (pair[0]=='call') { pcode=pair[1]; }
      if (pair[0]=='marker') { pmarker=pair[1]; }
      if (pair[0]=='name') { pname=pair[1]; }
+     if (pair[0]=='defhour' && pair[1] >= 0 && pair[1] < 24 ) {
+         defhour=pair[1];
+     }
+     if (pair[0]=='defmin' && pair[1] >= 0 && pair[1] < 60) { defmin=pair[1]; }
+     if (pair[0]=='defsec' && pair[1] >= 0 && pair[1] < 60) { defsec=pair[1]; }
   }
 
   svalue=pvalue;
@@ -536,6 +792,20 @@ function init() {
       (typeof(svalue)!="undefined") && 
       (svalue!=0) && (svalue!='')) { pscat='any'; }
 
+  if (ptype=='tolerance') {
+     var tperc=0;
+     var trange=0;
+     if (typeof(svalue)!='undefined') {
+        if (svalue.indexOf('%')!=-1) { tperc=1;  }
+        if (svalue.indexOf(',')!=-1) { trange=1; }
+        if (trange) {
+           if (tperc) { pscat='relative'; } else { pscat='absolute'; }
+        } else {
+           if (tperc) { pscat='relative_sym'; } else { pscat='absolute_sym'; }
+        }
+     }
+  }
+
   this.window.selector.document.clear();
   selwrite('<html><body bgcolor="#FFFFFF">');
 
@@ -544,22 +814,27 @@ function init() {
 
   if (ptype=='tolerance') {
      sopt('default','Default');
-     sopt('exact','Exact Value (no tolerance)');
      sopt('relative_sym','Relative Tolerance, Symmetric (percent)');
      sopt('relative','Relative Tolerance (percentages)');
      sopt('absolute_sym','Absolute Tolerance, Symmetric (value)');
      sopt('absolute','Absolute Tolerance (values)');
-     sopt('sigdigits','Significant Digits (number)');
   }
 
   if (ptype=='date') {
-     sopt('default','Default');
-     sopt('start','Starting Date');
-     sopt('end','Ending Date');
-     sopt('interval','Time Interval');
-     
+     if (pscat != 'interval') {
+         sopt('default','Default');
+	 sopt('start','Starting Date');
+	 sopt('end','Ending Date');
+     } else {
+         sopt('interval','Time Interval');
+     }
+
      if ((pvalue!='') && (typeof(pvalue)!="undefined")) {
         cdate.setTime(pvalue*1000);
+     } else {        
+        cdate.setSeconds(defsec);
+        cdate.setMinutes(defmin);
+        cdate.setHours(defhour);
      }
  
      months[0]='January';
@@ -580,7 +855,8 @@ function init() {
      sopt('default','Default');
      sopt('pos','Positive Integer, Not Zero');
      sopt('zeropos','Positive Integer or Zero');
-     sopt('range','Integer Range');
+     sopt('inrange','Integer in Range');
+     sopt('range','Range of Integers');
      sopt('any','Integer');
   }
 
@@ -593,8 +869,21 @@ function init() {
   }
 
   if (ptype=='string') {
-     sopt('default','Default');
-     sopt('string','String Value');
+     //sopt('default','Default');
+     if (pscat == 'yesno')        { sopt('yesno','Yes/No'); }
+     else if (pscat == 'problemstatus'){ sopt('problemstatus','Problem Status'); }
+     else if (pscat == 'examtype')     { sopt('examtype','Exam Type'); }
+     else if (pscat == 'questiontype') { sopt('questiontype','Question Type'); }
+     else if (pscat == 'ip')           { sopt('ip','IP Number/Name'); }
+     else if (pscat == 'fileext')      { sopt('fileext','File Extension'); }
+     else if (pscat == 'useslots')     { sopt('useslots','Slots control access'); }
+     else { pscat = 'any'; }
+     sopt('any','String Value');
+  }
+
+  if (ptype=='color') {
+     sopt('default','Use Default Color');
+     sopt('custom','Use Custom Color');
   }
 
   selwrite('</select></form>');
@@ -613,7 +902,7 @@ function init() {
   if (pcode!='') {
      selwrite('parent.opener.'+pcode+'();');
   }
-  selwrite('">Store</a>&nbsp;&nbsp;');
+  selwrite('">Save</a>&nbsp;&nbsp;');
 
   selwrite('<a href="javascript:');
      selwrite(
@@ -628,16 +917,24 @@ function init() {
   selwrite('">Delete</a>&nbsp;&nbsp;');
  
   selwrite('<a href="javascript:');
-  if (preturn!='') {
-     selwrite('parent.opener.document.'+preturn+'_value.value='+"'';");
-     selwrite('parent.opener.document.'+preturn+'_type.value='+"'';");
-  }
-  if (pmarker!='') {
-     selwrite('parent.opener.document.'+preturn+'_marker.value='+"'';");
-  }
-  if (pcode!='') {
-     selwrite('parent.opener.'+pcode+'();');
-  }
+// Old code :
+//----------------------------------------------------------------------
+//  if (preturn!='') {
+//     selwrite('parent.opener.document.'+preturn+'_value.value='+"'';");
+//     selwrite('parent.opener.document.'+preturn+'_type.value='+"'';");
+// }
+//  if (pmarker!='') {
+//     selwrite('parent.opener.document.'+preturn+'_marker.value='+"'';");
+//  }
+//  if (pcode!='') {
+//     selwrite('parent.opener.'+pcode+'();');
+//  }
+//----------------------------------------------------------------------
+// Just close the window to 'cancel' the operation.  There are javascript
+// errors in the above commented out code that I have not been able to 
+// track down.  I think they reside in 'parent.opener.'+pcode+'();'
+//
+  selwrite('this.parent.close();');
   selwrite('">Cancel</a>'); 
  
   selwrite('</body></html>');
@@ -655,4 +952,4 @@ function init() {
 
 
 
-</html>
\ No newline at end of file
+</html>
