function validateSearch(f){
	if(f.searchText.value == ''){
		alert('Please enter search condition.');
		f.searchText.focus();
		return false;
	}
	return true;
}

function validateForm(f){
	var email = f.Email.value;

	var validEmail = true;
	if(email != ''){
		if((email.length < 3) || (email.length > 50) ||
			(email.charAt(0) == '@') || (email.charAt(email.length-1) == '@') ||
			(email.charAt(0) == '.') || (email.charAt(email.length-1) == '.') ||
			(email.indexOf('.') == -1) || (email.indexOf('@') == -1) ||
			(email.indexOf('@') != email.lastIndexOf('@')) ||
			(email.indexOf(' ') > 0) || (email.indexOf('?') > 0) || (email.indexOf('..') > 0)
		){
			validEmail = false;
		}
	} else {
		validEmail = false;
	}

	if(validEmail){
		return true;
	} else {
		alert('Please specify valid Email address');
		f.Email.focus();
		return false;
	}
}