function checkusername(TheForm,TheField,TheValue) {
			invalidChars = " /:,;!@#$%^&*()-+={}[]|\<>?~`.'"
			if (TheValue== "") {						
				return false
			}
			for (i=0; i<invalidChars.length; i++) {
				badChar = invalidChars.charAt(i)
				if (TheValue.indexOf(badChar,0) > -1) {
					return false
				}
			}
			if (TheValue.length < 6) {		
					return false
			}		
			return true
		}