Useful links for creating client side (web-browser) utilities

Links for tutorial -
Java Script - http://www.devguru.com/technologies/JavaScript/home.asp
                      http://krook.org/jsdom/
Links providing re-usable code

http://www.javascriptkit.com/cutpastejava.shtml
http://www.dynamicdrive.com/

Creating Sliding form effects using J-Query -
http://www.dynamicdrive.com/dynamicindex16/formwizard.htm

Dom drag and drop script -
http://www.dynamicdrive.com/dynamicindex11/domdrag/

Imbeding Google Map Selector-
http://www.dynamicdrive.com/dynamicindex11/googlemapselector.htm

Creating pi graph-
http://www.dynamicdrive.com/dynamicindex11/piegraph.htm

Creating line graph-
http://www.dynamicdrive.com/dynamicindex11/linegraph.htm

Tic Tak Toe-
http://www.dynamicdrive.com/dynamicindex12/tictactoe.htm

Zooming the image-
http://www.dynamicdrive.com/dynamicindex4/featuredzoomer.htm

gAjax RSS Pausing Scroller
http://www.dynamicdrive.com/dynamicindex18/gajaxpausescroller.htm

Performing get and post from Ajax-
http://www.javascriptkit.com/dhtmltutors/ajaxgetpost.shtml

Using Object detection to sniff out different browsers -
http://www.javascriptkit.com/javatutors/objdetect3.shtml

AutoSelect Increment Search
http://www.codeproject.com/KB/scripting/Auto_select_Dropdown.aspx

Dojo UI Widgets - 
http://dojotoolkit.org/widgets

Field selection or identifying the start/end position in text area
http://laboratorium.0xab.cd/jquery/fieldselection/0.1.0/test.html
http://web.archive.org/web/20080214051356/http://www.csie.ntu.edu.tw/~b88039/html/jslib/caret.html

Making the webpages non copiable
http://javascript.internet.com/page-details/disable-text-selection.html

Adding encrypt or decrypt capability in web app using java Script  -
http://javascript.about.com/library/blencrypt.htm

Implementing various widgets using Dojo - 
Tree - http://dojotoolkit.org/reference-guide/dijit/Tree.html
Grids & Chart  -http://dojotoolkit.org/grids-charts
Various Widgets - http://download.dojotoolkit.org/release-1.6.1/dojo-release-1.6.1/dijit/themes/themeTester.html

Other useful information -

1. Changing the mouse cursor type in runtime using javascript
2. Changing the mouse cursor type using CSS