This JavaScript code creates a message box and shows an alert after the page gets downloaded. Use the test cases to invoke methods of the message box directly.

I needed a form for students enrolling in training courses. I couldn't find exactly what I needed out there, so I built my own (borrowing some code from others (credits given in code)). The really important thing was that if, after changing the data, the applicant altered the number of students or hit the back button from the next page, the existing data would not be lost.

Feel free to do whatever with this code, no credit to me required. If you make it better, though, please feel free to e-mail me! Create a form that dynamically changes the number of fields available based on a select list value.

A function to set values in a textbox in a second form from a Select option list in the first form. This may be modified to go over frames also.

Test the powers of Javascript. Watch as JavaScript tells you if information about you is valid or not.

JavaScript will take the contents of a box and reverse it! If you entered 'hello' it will change the box to say 'olleh'. This might be useful on your site in a form or just for fun.

Takes a series of known named checkboxes and checks or uncheck them all at once. It can even change each checkbox to the opposite checked or not checked value. Clever for loops!

This JavaScript allows one button to have two or more functions.

This JavaScript is useful for code examples on your webpages.

In this order form, the cost for each item is totaled as the items are selected and deselected. This is done without refreshing the entire page in order to save other form information. Heavily commented.

This script detects the mouse position and waits for mouseover the inputs. Then it will show up a layer/div called 'Display' 95 pixels right to the cursor and write the appropriate help info text on this 'Display'. And as the mouse is out of the 'Display', the 'Display' would diappear....