function validate(form){
  var day = form.Day.value;
  var name = form.Name.value;
  var phone = form.Phone.value;
  var email = form.Email.value;
  var time = form.Time.value;
  
 // var message = form.message.value;
  var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
  


  if (!(form.Day[0].checked || form.Day[1].checked || form.Day[2].checked || form.Day[3].checked || form.Day[4].checked))       {
  inlineMsg('Day','Please select a day.');
    return false;
  }
 
  if(name == "") {
    inlineMsg('Name','Please enter your name.');
    return false;
  }

  if(phone == "") {
    inlineMsg('Phone','Please enter your phone number.');
    return false;
  }

  if(email == "") {
    inlineMsg('Email','Please enter your email address.');
    return false;
  }

  if (!(form.Time[0].checked || form.Time[1].checked))       {
  inlineMsg('Time','Please select a Time.');
    return false;
  }
  
  function inlineMsg(target,msg) {
  	document.getElementById(target).style.backgroundColor='#dfdfdf';
	document.getElementById(target).focus();
	alert(msg);
  }
  return true;
}