function validateSearch() {
				if ((document.searchForm.words.value.length < 2) || (document.searchForm.words.value.indexOf ('\'',0) != -1)) {
					// unsuitable keyword has been provided
					alert('You must provide a keyword or phrase of at least 2 characters.\nPlease note also that apostrophes are not allowed.');
					return(false);
					document.searchFrom.words.focus();
				} else {
					return(true);
				}
			}