var FormValidator=new Class({initialize:function(){},checkNotEmpty:function(A){if(A.value.trim().length<=0){this.animateField(A);return false}return true},checkValidEmail:function(A){if(!A.value.test(/\S+@\S+\.\S+/)){this.animateField(A);return false}return true},animateField:function(B){B.focus();var A=new Fx.Tween(B,{duration:500});A.set("background-color","#FFF");A.start("background-color","#F00").chain(function(){A.start("background-color","#FFF")})}});