+if [[ -z $IMAGEEXTENSIONS ]]; then
+ IMAGEEXTENSIONS="jpg gif png";
+fi
+
+FINDIMAGESOPTIONS=""
+
+for imageext in $IMAGEEXTENSIONS; do
+ FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -maxdepth 1 -iname '*.$imageext' -print0'
+done
+
+FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
+