var options = { 
			        beforeSubmit:  validate,  // pre-submit callback 
			        success:       showResponse,  // post-submit callback 
			        resetForm: true        // reset the form after successful submit 
			    }; 
				

				$('#contact_us').ajaxForm(options); 
				
				
function showResponse(responseText, statusText){
					$('#success').animate({ opacity: "show" }, "fast")
				}
				
				function validate(formData, jqForm, options) {
					$("p.label_name span.error").animate({ opacity: "hide" }, "slow");
							 
				    var nameValue = $('input[name=Name]').fieldValue(); 
				    var emailValue = $('input[name=Email]').fieldValue();
					var messageValue = $('textarea[name=Message]').fieldValue(); 
					
					var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
					var correct = true;
					
					if (!nameValue[0]) {
						$("span.error.wrong_name").animate({ opacity: "show" }, "slow");
						correct = false;
					}
				 	
					if (!emailValue[0]) {
						$("span.error.wrong_email").animate({ opacity: "show" }, "slow");
						correct = false;
					} else if(!emailReg.test(emailValue[0])) {
						$("span.error.wrong_email").animate({ opacity: "show" }, "slow");
						correct = false;
					}
					
					if (!messageValue[0]) {
						$("span.error.wrong_message").animate({ opacity: "show" }, "slow");
						correct = false;
					}
					
					if (!correct) {return false;}
				} 	

				
		$("p#success").click( function () { 
				      $(this).animate({ opacity: "hide" }, "slow"); 
			    });