if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      img_url = new Array();
      
	  img_url[0] = "../2009/images/day1.jpg";
      img_url[1] = "../2009/images/day2.jpg";
      img_url[2] = "../2009/images/day3.jpg";
  

       var i = 0;
       for(i=0; i<=2; i++) 
         preload_image_object.src = img_url[i];
    }



function changeImgHeader(what){
	document.getElementById("img").src = what;
	
}


function changeStyle(id)
 
  {
  section = document.getElementById('s'+id);
  for(i=1;i<=3;i++)
  {
   if(i==id)
  {
   section.style.display="block";
  }
  else
  {
   document.getElementById('s'+i).style.display="none";
  }
 }
}


 function changeClass(id)

{
  section = document.getElementById('d'+id);
  for(i=1;i<=3;i++)
  {
   if(i==id)
  {
   section.className="test1";
     }
  else
  {
   document.getElementById('d'+i).className="test2";
  }
 }
}