--- loncom/html/adm/dragmath/applet/EditMathPopup.html	2008/07/01 09:12:33	1.1
+++ loncom/html/adm/dragmath/applet/EditMathPopup.html	2008/08/26 10:01:27	1.3
@@ -2,32 +2,40 @@
 <html>
 <head>
 
-<title>DragMath Latex Example</title>
+<title>DragMath Equation Editor</title>
 
 <script>
+function insertAtCursor(doc, myField, myValue) {
+		//IE support
+		if (doc.selection) {
+			myField.focus();
+			sel = doc.selection.createRange();
+			sel.text = myValue;
+		}
+		//MOZILLA/NETSCAPE support
+		else if (myField.selectionStart || myField.selectionStart == '0') {
+			var startPos = myField.selectionStart;
+			var endPos = myField.selectionEnd;
+			myField.value = myField.value.substring(0, startPos)
+			+ myValue + '\n\n'
+			+ myField.value.substring(endPos, myField.value.length);
+		} else {
+			myField.value += myValue;
+		}
+	}
+
 function renderLatex() {
   var ans = document.DragMath.getMathExpression();  
-  var source = '<html>'
-         + '<body>'
-         + '<h4>Latex Syntax: '
-         + ans
-         + '</h4>'
-         + '<applet code="HotEqn.class" codebase="HotEqn" archive="HotEqn.jar" height="300" width="600" name="my equation">'
-         + '<param name="equation" value="'	
+  var source = '<m>$'
          + ans
-         + '"/>'
-         + '</applet>'
-         + '</body>'
-         + '</html>'
-         + '';
-
-  var target = document.getElementById('outputID');
-    var doc = target.contentDocument;
-        if (doc == undefined || doc == null)
-            doc = target.contentWindow.document;
-  doc.open();
-  doc.write(source);
-  doc.close();
+         + '$</m>';
+
+
+  var doc    = opener.targetDoc
+  var target = doc.getElementById(opener.targetEntry);  
+  insertAtCursor(doc, target, source);
+
+  window.close();
 
  
 }
@@ -40,7 +48,7 @@ function renderLatex() {
 
 
 <DIV align=left><FONT face=Arial color=#000080 
-size=6><STRONG>DragMath Latex Example</STRONG></FONT></DIV>
+size=6><STRONG>DragMath Latex Equation Editor</STRONG></FONT></DIV>
 <br><br>
 
 <applet name="DragMath" codebase="classes" code="Display.MainApplet.class" archive="Project.jar,AbsoluteLayout.jar,swing-layout-1.0.jar,jdom.jar,jep.jar" width=540 height=333>
@@ -55,13 +63,5 @@ To use this page you need a Java-enabled
 <input type='button' value='Render Latex' onclick='renderLatex(); return true;' />
 </form>
 
-<H2>Latex Rendering:</H2>
-
-<iframe id='outputID' src='' width='98%' height='150'>
-</iframe>
-
-</div>
-<br>
-Latex rendering performed by freeware Java applet <a href="http://www.atp.ruhr-uni-bochum.de/VCLab/software/HotEqn/HotEqn.html">HotEqn </a>
 </body>
 </html>
