function sent_data(){
        //if(!$('#selectdomain').val()){$('#answer').html('<div align="center" style="color:red">Select field: Trade with</div>');return false;}
		$('#answer').html('<div align="center"><img src="ajax-loader.gif" border="0"/></div>');
        $.ajax({
        	url: 'send.php',
        	type: 'POST',
            data: $('#signup').serialize(),
            dataType: 'html',
            complete: function (xhr) {         $('#answer').fadeOut("fast",function(){$('#answer').html('<div align="center">'+xhr.responseText+'</div>');$('#answer').fadeIn("slow");});  }
		});		
}