Index: lams_tool_chat/web/chat_client/chat_app.js
===================================================================
diff -u -r7c0c408e15f94b0c133d296b19d34398fa3436f9 -raa5c48a9ffc62a8191b363500edc8f7285ec9ac3
--- lams_tool_chat/web/chat_client/chat_app.js	(.../chat_app.js)	(revision 7c0c408e15f94b0c133d296b19d34398fa3436f9)
+++ lams_tool_chat/web/chat_client/chat_app.js	(.../chat_app.js)	(revision aa5c48a9ffc62a8191b363500edc8f7285ec9ac3)
@@ -1,9 +1,8 @@
 // Constants
 var GROUPCHAT_MSG = "groupchat_message";
 var PRIVATE_MSG = "private_message";
+var colors = new Array("0000FF", "006699", "0066FF", "6633FF", "00CCFF", "009900", "00CC33", "339900", "008080", "66FF66", "CC6600", "FF6600", "FF9900", "CC6633", "FF9933", "990000", "A50021", "990033", "CC3300", "FF6666", "330033", "663399", "6633CC", "660099", "FF00FF", "999900", "808000", "FFFF00", "666633", "CCFF00", "292929", "666666");
 
-var colors = new Array('maroon','green','olive','navy','purple','teal','red','blue');
-
 // Variables
 var roster = new Roster();
 
@@ -19,13 +18,12 @@
     str = str.replace(/\n/g, "<br />");
     return str;
 }
-
 function getColor(nick) {
-	var charSum = 0;
-	for (var i=0; i<nick.length; i++)
-    	  charSum += nick.charCodeAt(i);
-    	  
-	return colors[charSum%(colors.length)];
+    var charSum = 0;
+    for (var i = 0; i < nick.length; i++) {
+        charSum += nick.charCodeAt(i);
+    }
+    return colors[charSum % (colors.length)];
 }
 
 // Roster 
@@ -79,20 +77,16 @@
     var userName;
     if (MODE == "teacher" && !(selectedIndex == -1)) {
         var userName = rosterList.options[rosterList.selectedIndex].value;
-
-        document.getElementById("sendToUser").innerHTML = "<span style='color:" + getColor(userName) + "'>" + userName +"</span>";
-        
-        document.getElementById("sendToEveryone").style.display="none";
-        document.getElementById("sendToUser").style.display="";
-        
+        document.getElementById("sendToUser").innerHTML = "<span style='color:" + getColor(userName) + "'>" + userName + "</span>";
+        document.getElementById("sendToEveryone").style.display = "none";
+        document.getElementById("sendToUser").style.display = "";
     } else {
-        document.getElementById("sendToUser").style.display="none";
-        document.getElementById("sendToEveryone").style.display="";
+        document.getElementById("sendToUser").style.display = "none";
+        document.getElementById("sendToEveryone").style.display = "";
     }
 }
 function generateMessageHTML(nick, message, type) {
-	
-	return "<div style='color:" + getColor(nick) + "' class='message " + type + "'><span style='color:" + getColor(nick) + "' class='messageFrom' >" + nick + "</span><br/>" + message + "<div/>";
+    return "<div style='color:" + getColor(nick) + "' class='message " + type + "'><span style='color:" + getColor(nick) + "' class='messageFrom' >" + nick + "</span><br/>" + message + "<div/>";
 }
 function updateMessageDisplay(htmlMessage) {
     var iRespDiv = document.getElementById("iResp");
@@ -163,18 +157,17 @@
 function handleConnected() {
     document.getElementById("login_pane").style.display = "none";
     document.getElementById("chat_pane").style.display = "";
-	
-	if (MODE == "learner") {
-	    if ( LEARNER_FINISHED == "true") {
-		    if (LOCK_ON_FINISHED == "true") {
+    if (MODE == "learner") {
+        if (LEARNER_FINISHED == "true") {
+            if (LOCK_ON_FINISHED == "true") {
     			// disable sending messages.
-	    		document.getElementById("msgArea").disabled="disabled";
-    			document.getElementById("sendButton").disabled="disabled";
-    			document.getElementById("clearButton").disabled="disabled";
-    		}       		
-   		} else {
-			document.getElementById("finishButton_pane").style.display ="";	
-    	}   
+                document.getElementById("msgArea").disabled = "disabled";
+                document.getElementById("sendButton").disabled = "disabled";
+                document.getElementById("clearButton").disabled = "disabled";
+            }
+        } else {
+            document.getElementById("finishButton_pane").style.display = "";
+        }
     }
 
 	// send presence
@@ -233,11 +226,11 @@
         var toNick = rosterList.options[selectedIndex].value;
         aMsg.setTo(CONFERENCEROOM + "/" + toNick);
         aMsg.setType("chat");
-  		// apending the private message to the incoming window, 
+  		// apending the private message to the incoming window,
   		// since the jabber server will not echo sent private messages.
   		// TODO: need to check if this is correct behaviour
         if (!(NICK == toNick)) {
-        	updateMessageDisplay(generateMessageHTML(NICK, aForm.msg.value, PRIVATE_MSG));
+            updateMessageDisplay(generateMessageHTML(NICK, aForm.msg.value, PRIVATE_MSG));
         }
     } else {
         aMsg.setTo(CONFERENCEROOM);