function checkRequiredFields() {
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;  //regular expression to check valid email address
	var fname = jQuery('#ucc-contact-form').find('input[name=uccname]').val();
	var lname = jQuery('#ucc-contact-form').find('input[name=uccphone]').val();
	var email = jQuery('#ucc-contact-form').find('input[name=uccletter]').val();
	
	// remove red borders of appeared
	jQuery('input[name=uccname]').css('background-color', '');
	jQuery('input[name=uccphone]').css('background-color', '');
	jQuery('input[name=uccletter]').css('background-color', '');
	
	if (fname == "" || lname == "" || email == "") {
		jQuery('input[name=uccname]').css('background-color', '#fccffc');
		jQuery('input[name=uccphone]').css('background-color', '#fccffc');
		jQuery('input[name=uccletter]').css('background-color', '#fccffc');
	    alert("Please fill the required field.");
	    return false;
	} else if(email.search(validRegExp) == -1) {	// search email text for regular exp matches
		jQuery('input[name=uccletter]').focus();
		jQuery('input[name=uccletter]').css('background-color', '#fccffc');
		alert('Invalid e-mail address.');
		return false;
	}
	return true;
}