function checkValidation()
{
  if (document.signupform.contact_name.value == '')
  {
	 alert ('Please enter your name');
	 document.signupform.contact_name.focus();
	 return false;
  }
  
  if (document.signupform.contact_email.value == '')
  {
	 alert ('Please enter your email id');
	 document.signupform.contact_email.focus();
	 return false;
  }
  
  var email = document.signupform.contact_email.value;
  var filter=/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  if (!filter.test(email))
  {
	document.signupform.contact_email.focus();
	document.signupform.contact_email.value = 'Please enter a valid email id';
	return false;
  }
  else
  return true;
}