function dbRequest(action, file, var1, var2, preURL)
{
    file = preURL+'requests/'+file;
	var req = null; 
		if (window.XMLHttpRequest)
		{
			req = new XMLHttpRequest();
			if (req.overrideMimeType) 
			{
				req.overrideMimeType('text/xml');
			}
		} 
		else if (window.ActiveXObject) 
		{
			try {
				req = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e)
			{
				try {
					req = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
	        	}

		req.onreadystatechange = function()
		{ 
			
			if(req.readyState == 4)
			{
				if(req.status == 200)
				{
					switch(action)
					{
			    	   case 'updatePieceOrder':  break;
					}
				}		
			} 
		} 
		req.open("GET", file, true); 
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
		req.send(null);
}

function uploadNewPieceOrder()
{
   var list = document.getElementById('sortlist');
   var nodes = list.childNodes; 
   
   if(nodes.length==0)
   {
     blaat = document.getElementById('sortlist_div');
     blaat.innerHTML = "<div style='color: white; width: 240px; margin: 20px;'>lijst is leeg, klik <a href='' style='text-decoration: underline; font-weight: bold;'>hier</a> voor een refresh<a/></div>";
   }
   
   for(var i=0;i<nodes.length;i++)
   {
      var file = 'updatePieceOrder.php';
      var photoId = nodes[i].id.substring(5,nodes[i].id.length);
      file += '?photoId='+photoId;
      file += '&newOrder='+i;
      dbRequest('updatePieceOrder',file,0,0,'');
   } 


}

/*
function uploadNewPieceOrder(list_id)
{
   
   if(list_id=='list_kijken')
   {
       nieuwNodes = document.getElementById('list_nieuw').childNodes;
       if(dragArea = document.getElementById('drag_area'))
         dragArea.style.visibility = 'hidden';
   }
   
   if(list_id=='list_nieuw')
   {
   	   kijkenNodes = document.getElementById('list_kijken').childNodes;
       if(dragArea = document.getElementById('drag_area'))
         dragArea.style.visibility = 'hidden';
   }
   
   var list = document.getElementById(list_id);
   var nodes = list.childNodes; 
   if(list_id=='list_kijken') isNew = 0;
   if(list_id=='list_nieuw') isNew = 1;
   
   if(nodes.length==0)
   {
     blaat = document.getElementById(list_id+'_div');
     blaat.innerHTML = "<div style='color: white; width: 240px; margin: 20px;'>lijst is leeg, klik <a href='' style='text-decoration: underline; font-weight: bold;'>hier</a> voor een refresh<a/></div>";
   }
   
   for(var i=0;i<nodes.length;i++)
   {
      var file = 'updatePieceOrder.php';
      var pieceId = nodes[i].id.substring(2,nodes[i].id.length);
      file += '?pieceId='+pieceId;
      file += '&new='+isNew;
      file += '&newOrder='+i;
      dbRequest('updatePieceOrder',file,0,0,'');
   } 
   
   
}*/