function toggleZoom(id) {
   var theZoom = document.getElementById("p"+id);
   var theSquare = document.getElementById("p"+id+"a");
   var url = document.getElementById('i'+id).src;
   var smurl = url.replace(url.substring(url.length -5),'s.jpg');
   var lgurl = url.replace(url.substring(url.length -5),'m.jpg');
   
   
   //alert('1 '+ url+'\n2 '+smurl+'\n3'+lgurl+'\n replace'+url.charAt(url.length -5));
  
  
   if (url == smurl){
   
         document.getElementById("zt"+id).innerHTML = "<a>unzoom</a>";
         document.getElementById('i'+id).src = lgurl; 
   
   } 
   else if (url == lgurl) {
   
         document.getElementById("zt"+id).innerHTML = "<a>zoom</a>";
         document.getElementById('i'+id).src = smurl; 

   }
}

function remove(id) {
   var thePhotoDiv = document.getElementById("ph"+id);
   thePhotoDiv.style.display = 'none';
}