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);
   }
};


dw_Rotator.ready=true;