--- zogiLib/js/Attic/dl_lib.js	2004/06/03 18:05:57	1.4
+++ zogiLib/js/Attic/dl_lib.js	2004/06/07 17:56:54	1.7
@@ -190,15 +190,16 @@ var elemScaler = null;
 var picElem = null;
 
 function dl_init() {
-    elemScaler = getElement("scaler");
-    if (! elemScaler) {
-	return false;
-    }
+    elemScaler = getElement("scaler", true);
     picElem = getElement("pic", true);
-    if (picElem == null) {
+    if (picElem == null && elemScaler) {
 	// in N4 pic is in the scaler layer
 	picElem = elemScaler.document.images[0];
     }
+    if ((!elemScaler)||(!picElem)) {
+	alert("Sorry, zogilib doesn't work here!");
+	return false;
+    }
     // give a name to the window containing digilib
     top.window.name = "digilib";
     // put the query parameters (sans "?") in the parameters array
@@ -421,7 +422,6 @@ function moveCenter() {
 	// move to handler
 	unregisterMouseDown(elemScaler, moveCenterEvent);
 	var pt = dlTrafo.invtransform(evtPosition(evt));
-	alert("pt: "+pt.x+", "+pt.y);
 	var newarea = new Rectangle(pt.x-0.5*dlArea.width, pt.y-0.5*dlArea.height, dlArea.width, dlArea.height);
 	newarea = dlMaxArea.fit(newarea);
 	// set parameters