/* define image width and height */

var pic_width=100;
var pic_height=150;

/* define the length of time to stay on each image */ 
/* 1000 = 1 second */

var delay=2000;

/* define image urls */
/*
if (document.images)
 {
     pic1= new Image(pic_width,pic_height);
     pic1.src="../images_alternating/01.jpg";  
     pic2= new Image(pic_width,pic_height); 
     pic2.src="../images_alternating/02.jpg";  
     pic3= new Image(pic_width,pic_height);
     pic3.src="../images_alternating/03.jpg";  
     pic4= new Image(pic_width,pic_height);
     pic4.src="../images_alternating/04.jpg";
     pic5= new Image(pic_width,pic_height);
     pic5.src="../images_alternating/05.jpg";
     pic6= new Image(pic_width,pic_height);
     pic6.src="../images_alternating/06.jpg";
     pic7= new Image(pic_width,pic_height);
     pic7.src="../images_alternating/07.jpg";
     pic8= new Image(pic_width,pic_height);
     pic8.src="../images_alternating/08.jpg";
     pic9= new Image(pic_width,pic_height);
     pic9.src="../images_alternating/09.jpg";
     pic10= new Image(pic_width,pic_height);
     pic10.src="../images_alternating/10.jpg";
     pic11= new Image(pic_width,pic_height);
     pic11.src="../images_alternating/11.jpg";
     pic12= new Image(pic_width,pic_height);
     pic12.src="../images_alternating/12.jpg";
 }    
*/

if (document.images)
{
pic1= new Image(pic_width,pic_height);
pic1.src="http://www.booksatpbfa.com/images_items_thumbs/10-002937.jpg";
pic2= new Image(pic_width,pic_height);
pic2.src="http://www.booksatpbfa.com/images_items_thumbs/10-002929.jpg";
pic3= new Image(pic_width,pic_height);
pic3.src="http://www.booksatpbfa.com/images_items_thumbs/10-003321.jpg";
pic4= new Image(pic_width,pic_height);
pic4.src="http://www.booksatpbfa.com/images_items_thumbs/10-003650.jpg";
pic5= new Image(pic_width,pic_height);
pic5.src="http://www.booksatpbfa.com/images_items_thumbs/10-003304.jpg";
pic6= new Image(pic_width,pic_height);
pic6.src="http://www.booksatpbfa.com/images_items_thumbs/10-003415.jpg";
pic7= new Image(pic_width,pic_height);
pic7.src="http://www.booksatpbfa.com/images_items_thumbs/10-002967.jpg";
pic8= new Image(pic_width,pic_height);
pic8.src="http://www.booksatpbfa.com/images_items_thumbs/10-002701.jpg";
pic9= new Image(pic_width,pic_height);
pic9.src="http://www.booksatpbfa.com/images_items_thumbs/10-002013.jpg";
pic10= new Image(pic_width,pic_height);
pic10.src="http://www.booksatpbfa.com/images_items_thumbs/10-003482.jpg";
pic11= new Image(pic_width,pic_height);
pic11.src="http://www.booksatpbfa.com/images_items_thumbs/10-003320.jpg";
pic12= new Image(pic_width,pic_height);
pic12.src="http://www.booksatpbfa.com/images_items_thumbs/10-003536.jpg";
}    

var pics= new Array(12) 
   pics[0]=pic1.src;
   pics[1]=pic2.src;
   pics[2]=pic3.src;
   pics[3]=pic4.src;
   pics[4]=pic5.src;
   pics[5]=pic6.src;
   pics[6]=pic7.src;
   pics[7]=pic8.src;
pics[8]=pic9.src;
pics[9]=pic10.src;
pics[10]=pic11.src;
pics[11]=pic12.src;

var numpics=12;
var thenum=0;
imgName="img1";

function change_it()
 {
   if (document.images)
    {
      document.write("<img src='"+pics[thenum]+"' border='0' width='"+pic_width+"' height='"+pic_height+"' name='img1'>\n");
      setTimeout('change_it2()',delay);  
   }
}

function change_it2()
 {
         var x=0;
          thenum+=1;

           if (thenum>numpics-1)
             thenum=0;

           document[imgName].src=pics[thenum];
           x+=1;
           setTimeout('change_it2()',delay);
 }