/*************************************************************************
    This code is from Dynamic Web Coding at dyn-web.com
    Copyright 2001-5 by Sharon Paine 
    See Terms of Use at www.dyn-web.com/bus/terms.html
    regarding conditions under which you may use this code.
    This notice must be retained in the code as is!
*************************************************************************/

/*  Readable code available for licensed users */

dw_Rotator.restartDelay = 500; // delay onmouseout before call to rotate
dw_Rotator.col=[];

function dw_Rotator(name,speed,path,tgt){
	this.name=name;
	this.speed=speed||4500;
	this.path=path||"";
	this.tgt=tgt;
	this.ctr=0;
	this.timer=0;
	this.imgs=[];
	this.actions=[];
	this.index=dw_Rotator.col.length;
	dw_Rotator.col[this.index]=this;
	this.animString="dw_Rotator.col["+this.index+"]";
};

dw_Rotator.prototype.addImages=function(){
	var img;
	for(var i=0;arguments[i];i++){
		img=new Image();
		img.src=this.path+arguments[i];
		this.imgs[this.imgs.length]=img;
	}
};

dw_Rotator.prototype.addActions=function(){
	var len=arguments.length;
	for(var i=0;i<len;i++)this.actions[this.actions.length]=arguments[i];
};

dw_Rotator.prototype.rotate=function(){
	clearTimeout(this.timer);
	this.timer=null;
	if(this.ctr<this.imgs.length-1)this.ctr++;
	else this.ctr=0;
	var imgObj=document.images[this.name];
	if(imgObj&&dw_Rotator.ready){
		imgObj.src=this.imgs[this.ctr].src;
		this.timer=setTimeout(this.animString+".rotate()",this.speed);
	}
};

dw_Rotator.start=function(){
	var len=dw_Rotator.col.length,obj;
	for(var i=0;i<len;i++){
		obj=dw_Rotator.col[i];
		if(obj&&obj.name)obj.timer=setTimeout(obj.animString+".rotate()",obj.speed);
	}
};

dw_Rotator.doClick=function(n){
	var obj=dw_Rotator.col[n];
	if(!document.images||!obj)return true;
	if(obj.actions&&obj.actions[obj.ctr]){
		if(typeof obj.actions[obj.ctr]=="string"){
			if(obj.tgt){
				var win=window.open(obj.actions[obj.ctr],obj.tgt);
				if(win&&!win.closed)win.focus();
			}else{
				window.location=obj.actions[obj.ctr];
			}
		}else{
			obj.actions[obj.ctr]();
		}
	}
	return false;
};

dw_Rotator.pause=function(n){
	dw_Rotator.clearTimers(n);
};

dw_Rotator.clearTimers=function(n){
	var obj=dw_Rotator.col[n];
	if(obj){
		clearTimeout(obj.timer);
		obj.timer=null;
	}
};

dw_Rotator.resume=function(n){
	dw_Rotator.clearTimers(n);
	var obj=dw_Rotator.col[n];
	if(obj){
		obj.timer=setTimeout(obj.animString+".rotate()",dw_Rotator.restartDelay);
	}
};