if (document.images)
   {
     pic1on= new Image(129,31);
     pic1on.src="http://www.bobtheautographer.com/logo/view_cart_hover.gif";  

     pic1off= new Image(129,31);
     pic1off.src="http://www.bobtheautographer.com/logo/view_cart.gif";

     pic1ck=new Image(129,31);
     pic1ck.src="http://www.bobtheautographer.com/logo/view_cart_click.gif";



     pic2on= new Image(170,42);
     pic2on.src="http://www.bobtheautographer.com/logo/add_to_cart_hover.gif";  

     pic2off= new Image(170,42);
     pic2off.src="http://www.bobtheautographer.com/logo/add_to_cart.gif";

     pic2ck=new Image(170,42);
     pic2ck.src="http://www.bobtheautographer.com/logo/add_to_cart_click.gif";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }

function turngo(imgName)
 {
  if(document.images)
	{
	  imgCk=eval(imgName + "ck.src");
	  document[imgName].src= imgCk;
	}

 }