$(document).ready(function(){  
    $('#send_message').click(function(e){  
        e.preventDefault();  
		
        var error = false;  
        var name = $('#name').val();  
        var email = $('#email').val();  
        var subject = $('#subject').val();  
        var message = $('#message').val();  
  
  if(name.length == 0){  
            var error = true;  
            $('input#name').animate({opacity:"0"},150).removeClass("success").addClass("error").animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150);
        }else{  
            $('input#name').addClass("success");  
        }  
        if(email.length == 0 || email.indexOf('@') == '-1'){  
            var error = true;  
            $('input#email').animate({opacity:"0"},150).removeClass("success").addClass("error").animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150);
        }else{  
            $('input#email').addClass("success");    
        }  
        if(subject.length == 0){  
            var error = true;  
			$('input#subject').animate({opacity:"0"},150).removeClass("success").addClass("error").animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150);
        }else{  
            $('input#subject').addClass("success");   
        }  
        if(message.length == 0){  
            var error = true;  
            $('textarea#message').animate({opacity:"0"},150).removeClass("success").addClass("error").animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150).animate({opacity:"0"},150).animate({opacity:"1"},150);
        }else{  
            $('textarea#message').addClass("success");  
        }  
        if(error == false){  
            $('#send_message').attr({'disabled' : 'true', 'value' : 'Sende Nachricht...' });  
            $.post("send_email.php", $("#contact_form").serialize(),function(result){  
                if(result == 'sent'){ 
                    $('#mail_success').fadeIn(500);
					$('#send_message').remove();
                }else{ 
                    $('#mail_fail').fadeIn(500); 
                    $('#send_message').remove();
                }  
            });  
        }  
    });  
});