// Hover Object// A Dynlayer addon object to move a layer in a hovering motion (vertical/horizontal)// 19990326// Copyright (C) 1999 Dan Steinman// Distributed under the terms of the GNU Library General Public License// Available at http://www.dansteinman.com/dynapi/function Hover(dynlayer,name) {	this.dynlayer = dynlayer	this.name = name	this.play = HoverPlay	this.slide = HoverSlide	this.pause = HoverPause	this.stop = HoverStop}function HoverPlay(amplitude,angleinc,angle,cycles,orientation,speed,fn) {	if (this.active) return	if (!this.paused) {		this.amplitude = amplitude		this.angleinc = angleinc		this.angle = angle		this.cycles = cycles		this.orientation = orientation		this.speed = speed		this.active = false		this.centerX = eval(this.dynlayer+'.x') - this.amplitude*Math.sin(this.angle*Math.PI/180)		this.centerY = eval(this.dynlayer+'.y') + this.amplitude*Math.sin(this.angle*Math.PI/180)	}	this.active = true	this.paused = false	eval(this.dynlayer+'.'+this.name+'.slide()')}function HoverSlide() {	if (this.active && (this.cycles==null || Math.abs(this.angleinc)<Math.abs(this.cycles*360-this.angle))) {		this.angle += this.angleinc		var x = (this.orientation=="h")? this.centerX + this.amplitude*Math.sin(this.angle*Math.PI/180) : null		var y = (this.orientation=="v")? this.centerY - this.amplitude*Math.sin(this.angle*Math.PI/180) : null		eval(this.dynlayer+'.moveTo('+x+','+y+')')		setTimeout(this.dynlayer+'.'+this.name+'.slide()',this.speed)	}	else if (!this.paused) {		this.active = false		eval(this.fn)	}}function HoverPause() {	if (this.active) {		this.active = false		this.paused = true	}}function HoverStop() {	this.active = false	this.paused = false}