function FWdiashow(id_back, id_blend) {

    //number of first image to show
     var imageno=1;
     //number of images available
     var max_image = 14;
     //duration of blending effect
     var dur_img = 5;
     var dur_txt = 2;
     //pause between blending of images
     var inter = dur_img+(2*dur_txt)+1;
 
     //stores images for animation
     var bilder = new Array(); 
     //images will be loaded in the background
     for (i=1; i<=max_image; i++) {
	bilder[i] = new Image();
	if (i % 2) {
	bilder[i].src = "images/FWimg" + i + ".jpg";
	} else {
	bilder[i].src = "images/FWimg" + i + ".png";
	}
      }

      //show first picture as page loads
      imageno++;
      nextImage = bilder[imageno].src; 
      new Effect.Appear(id_back, { duration: dur_img });		

      //fade in Corporate Value Text
      setTimeout(function()
      {
       document.getElementById(id_back).src = document.getElementById(id_blend).src; 

       document.getElementById(id_back).style.display="inline";
       document.getElementById(id_blend).style.display="none";

       document.getElementById(id_blend).src = nextImage;
	       
       //fade in Value Text 
       new Effect.Appear(id_blend, {duration: dur_txt});
       },(dur_img+0.1) * 1000);

       //fade out Corporate Value Text
       setTimeout(function()
       {
       new Effect.Fade(id_blend, {duration:dur_txt});
       },(dur_img+dur_txt+0.7) * 1000);

       setInterval(function()
       {
           imageno++;
           if (imageno > max_image) imageno=1;
           nextImage = bilder[imageno].src;          
           
           //fade in new image
           document.getElementById(id_blend).style.display="none";
           document.getElementById(id_blend).src = nextImage;
           new Effect.Appear(id_blend, {duration: dur_img});
            	
           //fade in Corporate Value Text
          setTimeout(function()
          {
              document.getElementById(id_back).src = document.getElementById(id_blend).src; 

              document.getElementById(id_back).style.display="inline";
              document.getElementById(id_blend).style.display="none";

              imageno++;
              nextImage = bilder[imageno].src;
              document.getElementById(id_blend).src = nextImage;
	       
              //fade in Value Text 
              new Effect.Appear(id_blend, {duration: dur_txt});
           },(dur_img+0.1) * 1000);

          //fade out Corporate Value Text
          setTimeout(function()
          {
             new Effect.Fade(id_blend, {duration:dur_txt});
          },(dur_img+dur_txt+0.7) * 1000);           

      },inter * 1000);   
}