function FormValidator(formNode){this.errorMessage="";this.formNode=formNode;}FormValidator.prototype={addRule:function(fieldName,message,validatorType,args){validatorType=validatorType.toLowerCase(validatorType);var element=this.formNode[fieldName];if(element!=null){switch(validatorType){case"required":this.required(element,message);break;case"rangelength":this.rangelength(element,message,args[0],args[1]);break;case"rangevalues":this.rangevalues(element,message,args[0],args[1]);break;case"numeric":this.numeric(element,message);break;case"positivenumber":this.positivenumber(element,message);break;case"integer":this.integer(element,message);break;case"positiveinteger":this.positiveinteger(element,message);break;case"lettersonly":this.lettersonly(element,message);break;case"zipcode":this.zipcode(element,message);break;case"email":this.email(element,message);break;case"ischecked":this.ischecked(element,message);break;case"compare":var elementPivot=this.formNode[args];if(elementPivot!=null)this.compare(element,message,elementPivot);break;case"creditcard":this.creditcard(element,message);break;case"expression":this.expression(element,message,args);break;default:}}},markField:function(element,bg_color,border_color){if(element.length){for(var j=0;j<element.length;j++){element[j].style.backgroundColor=bg_color;element[j].style.borderColor=border_color;}}else{element.style.backgroundColor=bg_color;element.style.borderColor=border_color;}},invalidField:function(element,message){this.markField(element,"#C3CADC","#8697BA");this.errorMessage=this.errorMessage+message+"\n";},required:function(element,message){if(!/\S/.test(element.value)){this.invalidField(element,message);}},rangelength:function(element,message,minLength,maxLength){if((minLength!=null&&element.value.length<minLength)||(maxLength!=null&&element.value.length>maxLength)){this.invalidField(element,message);}},rangevalues:function(element,message,minValue,maxValue){if((minValue!=null&&element.value<minValue)||(maxValue!=null&&element.value>maxValue)){this.invalidField(element,message);}},numeric:function(element,message){if(!/^(-?(\d+\.?\d+)|(\d+)){1}$/.test(element.value)){this.invalidField(element,message);}},positivenumber:function(element,message){if(!/^((\d+\.?\d+)|(\d+)){1}$/.test(element.value)){this.invalidField(element,message);}},integer:function(element,message){if(!/^-?\d+$/.test(element.value)){this.invalidField(element,message);}},positiveinteger:function(element,message){if(!/^\d+$/.test(element.value)){this.invalidField(element,message);}},lettersonly:function(element,message){if(!/^[a-zA-Z]+$/.test(element.value)){this.invalidField(element,message);}},zipcode:function(element,message){if(!/^\d{5}$/.test(element.value)){this.invalidField(element,message);}},email:function(element,message){if(!/^\S+@\S+(\.\S+)*\.(\S{2,3}|info)$/i.test(element.value)||/[\(\)\<\>\,\;\:\\\"\[\]]/.test(element.value)){this.invalidField(element,message);}},ischecked:function(element,message){var i=0,flag=false;if(element.length){while((i<element.length)&&!flag){if(element[i].checked==true)flag=true;i++;}if(!flag){for(var j=0;j<element.length;j++)this.markField(element[j],"#C3CADC","#8697BA");this.invalidField(element[0],message);}}else{if(element.checked==false)this.invalidField(element,message);}},compare:function(element,message,elementPivot){if(element.value!=elementPivot.value){this.markField(elementPivot,"#C3CADC","#8697BA");this.invalidField(element,message);}},expression:function(element,message,regularExpression){if(!regularExpression.test(element.value)){this.invalidField(element,message);}},creditcard:function(element,message,regularExpression){var i;var transformString="";var sum=0;element.value=element.value.replace(/\D/g,"");var strLength=element.value.length;if(strLength>0){for(i=strLength;i>0;i--){if((strLength-i)%2!=0){transformString=transformString+parseInt(element.value.charAt(i-1),10)*2;}else{transformString=transformString+element.value.charAt(i-1);}}for(i=0;i<transformString.length;i++){sum=sum+parseInt(transformString.charAt(i),10);}if(sum==0||sum%10!=0)this.invalidField(element,message);}else this.invalidField(element,message);},validate:function(){if(this.errorMessage!=""){alert(this.errorMessage);return false;}return true;}};