function change(bnr, name) { 
   if (document.images) { 
	dnr = '../images/' + name; 
	document.images[bnr].src = dnr;
   }
}
function change_index(bnr, name) { 
   if (document.images) { 
	dnr = 'images/' + name; 
	document.images[bnr].src = dnr;
   }
}