สอบถามเกี่ยวกับ jquery เกี่ยวกับการดักข้อมูลในการกรอกแบบฟอร์ม

<script type="text/javascript">
	$(document).ready(function(){
		var numberRegex = /^[+-]?\d+(\.\d+)?([eE][+-]?\d+)?$/;

      
		$('#form1').validate({
			rules:   {
				
						txtusername: {required:true,minlength:4,remote: "checkuser.php"},
						txtpass:{required:true,minlength:4, },						  
						txtcpass:{required: true, equalTo: "#pass", minlength: 4},
						
						txtcode:{required:true,minlength:4},
						txtnameagent:{required:true,minlength:4},
						txtname:{required:true,minlength:4},
						txtlname:{required:true,minlength:4},
						txtaddress:{required:true,minlength:10},
						txttel:{required:true,minlength:7},
						txtfax:{required:true,minlength:7},
						txtemail:{required:true,email:true},
						txtweb:{required:true,url:true},
						txtlogo:{ required: true, accept: "png|jpe?g|gif", filesize: 1048576  },
				     },
			messages:{
						txtusername: {required: "Please enter a username",
                minlength: "Your username must consist of at least 4 characters",regex: "ห้ามใส่อักระพิเศษ", 
                remote: jQuery.format("{0} is already in use")},
					    txtpass: {required:"Please fill ",
					 			  minlength:"At least 4 ",regex: "ห้ามใส่อักระพิเศษ"},	
						txtcpass:{required:"Please fill ",equalTo:"Please fill same password"},
						txtcode:{required:"Please fill",minlength:"At least 4"},
						txtnameagent:{required:"Please fill",minlenght:"At least 4"},
						txtname:{required:"Please fill",minlength:"At least 4"},
						txtlname:{required:"Please fill",minlength:"At least 4"},
						txtaddress:{required:"Please fill",minlength:"At least 10"},
						txttel:{required:"Please fill",minlength:"At least 7"},
						txtfax:{required:"Please fill",minlength:"At least 7"},
						txtemail:{required:"Please fill ",email:"Please email only"},
						txtweb:{required:"Please fill",url:"Please url web only"},	  
						txtlogo:{required:"Please fill ",accept:"File must be JPG, GIF or PNG, less than 1MB"},						
					 }	   
		});
		 

		// check even click this button
		$('#button').click(function(){
			if($('#form1').valid())
				{
				
			var url = 'registersave.php';
			var params = $('#form1').serialize();
			$.post(url,params,callback_reserv);
			
                $("#register").fadeOut('fast', function(){
                    $('#results').html(data);
                });

				}
		});
		function callback_reserv(data)
	{
		if(data.indexOf('OK')!=-1)
		{
			alert('Register Complete');
			window.location='index.php';
		}
		else
			alert(data);	
	}
		
	});
</script>

require: function(xxx) {
// จะ check อะไรก็ว่าไป
// แล้ว return ผลการ check ออกมา
}