Events:
	event.srcElement        - stores the element that fired the event handler.
	event.fromElement       - the element we are coming from.
	event.toElement         - the element we are moving to.
	if(ie4 && event.srcElement.tagName=="IMG")
		return
	BooleanVariable = containingElement.contains(childElement)

ie4:
	rightEdge			= document.body.offsetWidth
	bottomEdge			= document.body.offsetHeight
	screen.width                    - screen resolution width.
	screen.availWidth		- screen resolution width that is available.
	screen.height                   - screen resolution height.
	screen.availHeight		- screen resolution height that is avaialble (-taskbar).
	document.body.clientWidth       - browsers current usable width.
	document.body.clientHeight      - browsers current usable height.
	window.event.screenX            - x pixel coord of mouse relative to screen.
	window.event.screenY            - y pixel coord of mouse relative to screen.
	window.event.clientX            - x pixel coord of mouse relative to browser.
	window.event.clientY            - y pixel coord of mouse relative to browser.

ns4:
	rightEdge			= innerWidth
	bottomEdge			= innerHeight

both:
	Initialize DHTML Browsers:
		ns4 = (document.layers)	? true:false
		ie4 = (document.all)	? true:false
	DHTML Block Assignment:
		if(ns4) block = document.blockDiv
		if(ie4) block = blockDiv.style

[]-------------------------------------------------------------------------[]
|                    Event Properties and Descriptions.                     |
[]-------------------------------------------------------------------------[]
| Event           Event Handler   Syntax Description                        |
|                                                                           |
| click           onClick         User left clicks an element.              |
| submit          onSubmit        User submits a form, this event fires     |
|                                   before the form submission.             |
| reset           onReset         User resets a form.                       |
| focus           onFocus         User brings focus to an element.          |
| blur            onBlur          User loses focus from an element.         |
| mouseover       onMouseOver     User moves mouse over an element.         |
| mouseout        onMouseOut      User moves mouse off of an element.       |
| mousemove       onMouseMove     User moves mouse.                         |
| change          onChange        User changes value in a text, textarea,   |
|                                   or select field.                        |
| select          onSelect        User selects (highlights) a portion       |
|                                   of text in a text or textarea field.    |
| resize          onResize        User resizes browser window or frame.     |
| move            onMove          User moves browser window or frame.       |
| load            onLoad          Page completes loading.                   |
| unload          onUnload        User exits page (by navigating to a       |
|                                   new page or quitting browser).          |
| error           onError         An error occurs loading the document.     |
| abort           onAbort         User aborts image load with stop button.  |
[]-------------------------------------------------------------------------[]