function ValidateForm()
{
	var error=false;	
	var emailID=document.getElementById('email')
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if ((emailID.value==null)||(emailID.value=="")){		
			document.getElementById('error').style.display = 'block';
			document.getElementById('thanks').style.display = 'none';
			document.getElementById('email').focus();
			error=true;
	}
	else if(!filter.test(emailID.value))
	  {
			document.getElementById('error').style.display = 'block';
			document.getElementById('thanks').style.display = 'none';
			document.getElementById('email').focus();
			error=true;
	  }
	  else
	  {
		    document.getElementById('thanks').style.display = 'block';
		    document.getElementById('error').style.display = 'none';
			document.getElementById('stay_update').style.display = 'none';
	  }
if(error)
	return false;
else
	return true;

}