function checkInput(){
	var a = '';
	
	var email = $('input[name="freeanswer.3.39.2"]');
	var exps = /^[_a-z0-9+-]+(\.[_a-z0-9+-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)+$/;
	if ( email && !exps.test(email.val()) ) {
	    a += '- A valid e-mail address is required \n';
	}
	
	a?alert(a):$('#contacts').submit();
}