var ng={check:function(event){var postcode=$('ng_postcode').value.replace(/\s/g,"");if(postcode.length<5){Event.stop(event);$('ng_error').innerHTML='Postcode is too short!'}if(!postcode.match(/^[A-Z]{1,2}[0-9]{1,2}[A-Z]? ?[0-9][A-Z]{2}$/i)){Event.stop(event);$('ng_error').innerHTML='Invalid postcode!'}},events:function(){$('ng_form').observe('submit',this.check)}};