$(function(){
	  /*regex to validate email addresses*/
	  function isEmailValid(email) {
		  var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
		  
		  if (!filter.test(email)) {
			  return false;
		  } else {
			  return true;
		  }
	  }
	  /**/
	  
	  $('#Submit').click(function(){
		  /*validate form here*/
		  var Name = $('#Name').attr('value');
		  var	Phone = $('#Phone').attr('value');
		  var Email = $('#Email').attr('value');
		  var YourMessage = $('#YourMessage').attr('value');
		  
		  if (Name == 'Name:') {
			  alert("Please enter your name.");
			  $('#Name').focus();
			  return false;
		  }
		  
		  if (Phone == 'Phone:') {
			  alert("Please enter your phone number.");
			  $('#Phone').focus();
			  return false;
		  }
		  
		  if (Email == 'Email:') {
			  alert("Please enter your email.");
			  $('#Email').focus();
			  return false;
		  } else {
			  /*validate email here*/
			  if (!isEmailValid(Email)) {
				  alert("Please enter a valid email address.");
				  $('#Email').focus();
				  return false;
			  }			
		  }
		  
		  if (YourMessage == 'Your Message:') {
			  alert("Please enter your message.");
			  $('#YourMessage').focus();
			  return false;
		  }
		  
		  //submit the form after clean up :)
		  return true;
	  });
	  
  });