function checkForm()
{
  email = document.getElementById('Email').value;
	fullname = document.getElementById("Name").value;
  date1 = document.getElementById('Date1').value;
 	var reEmail  = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
 	var isValid = reEmail.test(email);


	if (!isValid)
	{
		alert("Email is not in properly formated");
		return false;
	}

	if (fullname == "" )
	{
		alert("Name is required");
		return false;
	}
	if (date1 == "" )
	{
		alert("Date is required");
		return false;
	}

	return true;
}
function displayEventsByDay() {
	var d = document.getElementById('EventDate').value;
	if (isDate(d))
		 window.location = "index.php?et=1&r=d&d="+d;
	else 
		 return;
}

function isDate(dateStr) {

  var datePat = /^(\d{1,2})(\/|-)(\d{1,2})(\/|-)(\d{4})$/;
  var matchArray = dateStr.match(datePat); // is the format ok?
  
  if (matchArray == null) {
  alert("Please enter date as either mm/dd/yyyy or mm-dd-yyyy.");
  return false;
  }
  
  month = matchArray[1]; // p@rse date into variables
  day = matchArray[3];
  year = matchArray[5];
  
  if (month < 1 || month > 12) { // check month range
  alert("Month must be between 1 and 12.");
  return false;
  }
  
  if (day < 1 || day > 31) {
  alert("Day must be between 1 and 31.");
  return false;
  }
  
  if ((month==4 || month==6 || month==9 || month==11) && day==31) {
  alert("Month "+month+" doesn`t have 31 days!")
  return false;
  }
  
  if (month == 2) { // check for february 29th
  var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
  if (day > 29 || (day==29 && !isleap)) {
  alert("February " + year + " doesn`t have " + day + " days!");
  return false;
  }
  }
  return true; // date is valid
}