function validate_message(that) {
	if (!that.thread.value) { return false; }
	if (that.author.value.length<2) { return false; }
	if (that.message.value.length<5) { return false; }
	
	re = /www/
	if (re.test(that.author.value)) { return false; }
	re = /\.com/
	if (re.test(that.author.value)) { return false; }
	re = /credit/
	if (re.test(that.author.value)) { return false; }
	re = /casino/
	if (re.test(that.author.value)) { return false; }
	
	re = /cialis/
	if (re.test(that.message.value)) { return false; }
	re = /viagra/
	if (re.test(that.message.value)) { return false; }
	re = /\[url/
	if (re.test(that.message.value)) { return false; }
	re = /casino/
	if (re.test(that.message.value)) { return false; }

	return true
}