function check_blank_input() {
	var search_value = document.getElementById('search_term').value;
	if (search_value == "" || search_value == " " || search_value == "  ") {
		alert('Please enter a word or words to search for.');
		document.getElementById('search_term').focus();
		return false;
	}
	else {
		document.getElementById('search').submit();
		return true;
	}
	
}//function check_for_blank_form

function check_archive_search() {
		var month = document.getElementById('m').value;
		var year = document.getElementById('y').value;
		
		if(month == "") {
			alert('Please select a month.');
			document.getElementById('m').focus();
			return false;
		}
		if(year == "") {
			alert('Please select a year.');
			document.getElementById('y').focus();
			return false;
		}
	else {
		return true;
	}
}//check_archive_search