function guestbook() {

var messageBox='#messageBoxguestbook';

	var namefull='#namefull';
	var email='#email';
	var country='#country';
	var visit_reason='#visit_reason';	
	var comment='#comment';

	

	window.error=false;
	window.errorMessage ="";
	


	if ($(namefull).val() == '')
	{
		window.error = true;
		window.errorMessage =  "<li>Enter Fullname</li>";
	}	

	if($(email).val()!="" )
	{
		var EmailTest=(!/.+@.+\.[a-zA-Z]{2,4}$/.test($(email).val()));
	
		if( EmailTest ){
			window.error=true;
			window.errorMessage += "<li>Invalid Email</li>";	
		}	
		
	}
	if ($(country).val() == '')
	{
		window.error = true;
		window.errorMessage +=  "<li>Enter Country</li>";
	}
	if(window.error==false)
	{
		$(messageBox).html(window.errorMessage).removeClass().addClass('MessageBoxOkUser').fadeIn(1000);
		window.errorMessage="Guestbook Registering.....";
		$(messageBox).html(window.errorMessage).removeClass().addClass('MessageBoxWarningUser').fadeIn(1000);
		//$(loginButton).attr('disabled',true);
		
		$.post("commoncontroller.php",{action:'guestbook',namefull:$(namefull).val(),email:$(email).val(),country:$(country).val(),visit_reason:$(visit_reason).val(),comment:$(comment).val()},function(data)
		{
			if(data=='ok')
			{
				window.errorMessage = "Registration OK..";				
				$(messageBox).html(window.errorMessage).removeClass().addClass('MessageBoxOkUser').fadeIn(1000);
				//window.location.href = 'cpanel.php';
			}
		});
	}
	else
	{
		//$(topSearchwerpperboder2).removeClass().addClass('topSearchwerpperboder3');
		$(messageBox).html(window.errorMessage).removeClass().addClass('MessageBoxErrorUser').fadeIn(1000);
		window.errorMessage="";			

	}
	
}