function checkSearchForm() { 
	keywords = document.getElementById('keywords').value
	if (keywords == '' || keywords == 'Search') {
		alert('You must enter some keywords to search');
		return false;	
	} else {
		return true;
	}
}


function isValidEmail(str) {

   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
 
}



function checkMailForm() {
	email = document.getElementById('Email2').value;
	
	if (email == '') { 
		alert('You must enter your email address to join the mailing list.');
		return false;
	} else if (!isValidEmail(email)) {
		alert('You must enter a valid email address to join the mailing list.');
		return false;
	}

		
	return true;
}