--- zogiLib/js/Attic/option.js	2004/06/22 13:35:50	1.1
+++ zogiLib/js/Attic/option.js	2005/11/08 10:13:31	1.5
@@ -1,39 +1,44 @@
 
 var digilibWin = null;
-if (window.opener) {
-    if (window.opener.setParameter) {
-	digilibWin = window.opener;
-    } else {
-	alert("window.opener but no setParameter!");
-    }
-} else {
+
+function findWin() {
+    // put a reference of the current digilib window in digilibWin
     if (window.setParameter) {
-	digilibWin = window;
-    } else {
-	alert("no window.setParameter either!");
+        digilibWin = window;
+        return;
+    }
+    // we try window.opener later because it might cause an exception
+    if (window.opener) {
+        if (window.opener.setParameter) {
+            digilibWin = window.opener;
+            return;
+        }
     }
+    alert("unable to find setParameter!");
 }
 
+findWin();
+
 function setDLParam(e, s) {
     /*var tt = "";
     for (var t in s) {tt += "par:"+t+" = "+s[t]+", ";}
     alert(tt);'*/
     if (digilibWin) {
-	var nam;
-	var val;
-	if (s.type && (s.type == "select-one")) {
-	    nam = s.name;
-	    val = s.options[s.selectedIndex].value;
-	} else if (s.name && s.value) {
-	    nam = s.name;
-	    val = s.value;
-	}
-	if (nam && val) {
-	    digilibWin.setParameter(nam, val);
-	    digilibWin.display();
-	}
+        var nam;
+        var val;
+        if (s.type && (s.type == "select-one")) {
+            nam = s.name;
+            val = s.options[s.selectedIndex].value;
+        } else if (s.name && s.value) {
+            nam = s.name;
+            val = s.value;
+        }
+        if (nam && val) {
+            digilibWin.setParameter(nam, val);
+            digilibWin.display();
+        }
     } else {
-	alert("unable to find parent window!");
+        alert("unable to find parent window!");
     }
     return true;
 }