Fixed search indexer causing duplicate keys when two "words" of 64+ characters encountered and first 64 characters are the same (thanks Vadi); attempt to fix onunload confirmation during page editing

.mceItemFlash {
	border: 1px dotted #cc0000;
	background-image: url('../images/flash.gif');
	background-position: center;
	background-repeat: no-repeat;
	background-color: #ffffcc;
}