function show_div()
{
	$('#hover').fadeIn( 'slow' );
}

function close_div()
{
	$('#hover').fadeOut( 'slow' );
}

function validate()
{
	if($('#name').val() == '')
	{
		alert('Please enter your name.');
		document.getElementById('name').focus();
		return false;	
	}
	if($('#emailaddr').val() == '')
	{
		alert('Please enter your Email address.');
		document.getElementById('emailaddr').focus();
		return false;	
	}
	if($('#friends_name').val() == '')
	{
		alert('Please enter your Friends name.');
		document.getElementById('friends_name').focus();
		return false;	
	}
	if($('#friends_emailaddr').val() == '')
	{
		alert('Please enter your Friends email address.');
		document.getElementById('friends_emailaddr').focus();
		return false;	
	}
	if($('captcha').val() == '')
	{
		alert('Please enter the security code.');
		//$.post( 'CaptchaSecurityImages.php', { 'width' : '100', 'height' : '40', 'character' : '6' }, function(data) { $('#captcha_img').html('<img src="CaptchaSecurityImages.php?width=100&amp;height=40&amp;character=6" alt="captcha" />').fadeIn('fast'); } );
		document.getElementById('captcha').focus();
		return false;	
	}
	//if('' != $('#captcha').val())
	//{
		//alert('Incorrect Security Code !');
		//$.post( 'CaptchaSecurityImages.php', { 'width' : '100', 'height' : '40', 'character' : '6' }, function(data) { $('#captcha_img').html('<img src="CaptchaSecurityImages.php?width=100&amp;height=40&amp;character=6" alt="captcha" />').fadeIn('fast'); } );
		//document.getElementById('captcha').focus();
		//return false;
	//}

	return true;
}