Word count function

var countre = /[\w\u2019\x27\-]+/g,
    cleanre = /[0-9.(),;:!?%#$?\x27\x22_+=\\\/\-]*/g;

function wordCount(tx)
{
    var tc = 0;

	if (tx) {
		tx = tx.replace(/\.\.\./g, ' '); // convert ellipses to spaces
		tx = tx.replace(/<.[^<>]*?>/g, ' ').replace(/&nbsp;|&#160;/gi, ' '); // remove html tags and space chars

		// deal with html entities
		tx = tx.replace(/(\w+)(&.+?;)+(\w+)/, "$1$3").replace(/&.+?;/g, ' ');
		tx = tx.replace(cleanre, ''); // remove numbers and punctuation

		var wordArray = tx.match(countre);
		if (wordArray) {
			tc = wordArray.length;
		}
	}

	return tc;
}