nr = getCookie('slide');
if(!nr) nr = 1;
function SlideShow() {
  if(nr > 27) nr = 1;  
  bg = 'url(./website/templates/fotos/b'+nr+'.jpg) no-repeat center left';  
  document.getElementById('photo').style.background = bg;
  nr = parseInt(nr) + 1;
  document.cookie = "slide="+escape(nr);
  setTimeout("SlideShow()",6000);
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}