[adelante]

$(document).ready(function(){

simpleCart({ /*options for simpleCart */ });

$('#order').ajaxForm({ 
		    
			beforeSubmit: function(arr,$form, options){
				if ( !validateEmail( $('#email').attr('value') ) ) {
					alert('Only valid email address is allowed to be entered into the "email" field');
					return false;
				} else {
					return  null ;
				}
			},
			success: function(data){    								
				simpleCart.each(function( item , x ){
				    item.remove();
				});
				
				$('#descr').html(data);	
			}
			
		}); 

function validateEmail(email) { 
	   if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))  
	    {  
	      return true;  
	    }  
	      return false;
	}

});

Выдаёт ошибку "Type error: 'undefined' is not a function (evaluating'$('#order').ajaxForm')"