/*************************************************************************
    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!
*************************************************************************/

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(){i
  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);
  }
};

dw_Rotator.ready=true;