--- class.t3lib_tceformsTRUNK.php	2010-09-17 12:14:53.000000000 +0200
+++ class.t3lib_tceforms.php	2010-09-17 12:13:48.000000000 +0200
@@ -5634,7 +5634,7 @@
 					var fObjSel = formObj[fName+"_list"];
 					var l=fObjSel.length;
 					var c=0;
-					if ((type=="Remove" && fObjSel.size > 1) || type=="Top" || type=="Bottom")	{
+					if ((type=="Remove" && l > 1) || type=="Top" || type=="Bottom")	{
 						if (type=="Top")	{
 							for (a=0;a<l;a++)	{
 								if (fObjSel.options[a].selected==1)	{