// LiveValidation 1.3 (standalone version)
// Copyright (c) 2007-2008 Alec Hill (www.livevalidation.com)
// LiveValidation is licensed under the terms of the MIT License

var LiveValidation=function(element,optionsObj){this.initialize(element,optionsObj);}
LiveValidation.VERSION='1.3 standalone';LiveValidation.TEXTAREA=1;LiveValidation.TEXT=2;LiveValidation.PASSWORD=3;LiveValidation.CHECKBOX=4;LiveValidation.SELECT=5;LiveValidation.FILE=6;LiveValidation.massValidate=function(validations){var returnValue=true;for(var i=0,len=validations.length;i<len;++i){var valid=validations[i].validate();if(returnValue)returnValue=valid;}
return returnValue;}
LiveValidation.prototype={validClass:'LV_valid',invalidClass:'LV_invalid',messageClass:'LV_validation_message',validFieldClass:'LV_valid_field',invalidFieldClass:'LV_invalid_field',initialize:function(element,optionsObj){var self=this;if(!element)throw new Error("LiveValidation::initialize - No element reference or element id has been provided!");this.element=element.nodeName?element:document.getElementById(element);if(!this.element)throw new Error("LiveValidation::initialize - No element with reference or id of '"+element+"' exists!");this.validations=[];this.elementType=this.getElementType();this.form=this.element.form;var options=optionsObj||{};this.validMessage=options.validMessage||'Thankyou!';var node=options.insertAfterWhatNode||this.element;this.insertAfterWhatNode=node.nodeType?node:document.getElementById(node);this.onValid=options.onValid||function(){this.insertMessage(this.createMessageSpan());this.addFieldClass();};this.onInvalid=options.onInvalid||function(){this.insertMessage(this.createMessageSpan());this.addFieldClass();};this.onlyOnBlur=options.onlyOnBlur||false;this.wait=options.wait||0;this.onlyOnSubmit=options.onlyOnSubmit||false;if(this.form){this.formObj=LiveValidationForm.getInstance(this.form);this.formObj.addField(this);}
this.oldOnFocus=this.element.onfocus||function(){};this.oldOnBlur=this.element.onblur||function(){};this.oldOnClick=this.element.onclick||function(){};this.oldOnChange=this.element.onchange||function(){};this.oldOnKeyup=this.element.onkeyup||function(){};this.element.onfocus=function(e){self.doOnFocus(e);return self.oldOnFocus.call(this,e);}
if(!this.onlyOnSubmit){switch(this.elementType){case LiveValidation.CHECKBOX:this.element.onclick=function(e){self.validate();return self.oldOnClick.call(this,e);}
case LiveValidation.SELECT:case LiveValidation.FILE:this.element.onchange=function(e){self.validate();return self.oldOnChange.call(this,e);}
break;default:if(!this.onlyOnBlur)this.element.onkeyup=function(e){self.deferValidation();return self.oldOnKeyup.call(this,e);}
this.element.onblur=function(e){self.doOnBlur(e);return self.oldOnBlur.call(this,e);}
this.element.onchange=function(e){self.validate();return self.oldOnChange.call(this,e);}}}},destroy:function(){if(this.formObj){this.formObj.removeField(this);this.formObj.destroy();}
this.element.onfocus=this.oldOnFocus;if(!this.onlyOnSubmit){switch(this.elementType){case LiveValidation.CHECKBOX:this.element.onclick=this.oldOnClick;case LiveValidation.SELECT:case LiveValidation.FILE:this.element.onchange=this.oldOnChange;break;default:if(!this.onlyOnBlur)this.element.onkeyup=this.oldOnKeyup;this.element.onblur=this.oldOnBlur;}}
this.validations=[];this.removeMessageAndFieldClass();},add:function(validationFunction,validationParamsObj){this.validations.push({type:validationFunction,params:validationParamsObj||{}});return this;},remove:function(validationFunction,validationParamsObj){var found=false;for(var i=0,len=this.validations.length;i<len;i++){if(this.validations[i].type==validationFunction){if(this.validations[i].params==validationParamsObj){found=true;break;}}}
if(found)this.validations.splice(i,1);return this;},deferValidation:function(e){if(this.wait>=300)this.removeMessageAndFieldClass();var self=this;if(this.timeout)clearTimeout(self.timeout);this.timeout=setTimeout(function(){self.validate()},self.wait);},doOnBlur:function(e){this.focused=false;this.validate(e);},doOnFocus:function(e){this.focused=true;this.removeMessageAndFieldClass();},getElementType:function(){switch(true){case(this.element.nodeName.toUpperCase()=='TEXTAREA'):return LiveValidation.TEXTAREA;case(this.element.nodeName.toUpperCase()=='INPUT'&&this.element.type.toUpperCase()=='TEXT'):return LiveValidation.TEXT;case(this.element.nodeName.toUpperCase()=='INPUT'&&this.element.type.toUpperCase()=='PASSWORD'):return LiveValidation.PASSWORD;case(this.element.nodeName.toUpperCase()=='INPUT'&&this.element.type.toUpperCase()=='CHECKBOX'):return LiveValidation.CHECKBOX;case(this.element.nodeName.toUpperCase()=='INPUT'&&this.element.type.toUpperCase()=='FILE'):return LiveValidation.FILE;case(this.element.nodeName.toUpperCase()=='SELECT'):return LiveValidation.SELECT;case(this.element.nodeName.toUpperCase()=='INPUT'):throw new Error('LiveValidation::getElementType - Cannot use LiveValidation on an '+this.element.type+' input!');default:throw new Error('LiveValidation::getElementType - Element must be an input, select, or textarea!');}},doValidations:function(){this.validationFailed=false;for(var i=0,len=this.validations.length;i<len;++i){var validation=this.validations[i];switch(validation.type){case Validate.Presence:case Validate.Confirmation:case Validate.Acceptance:this.displayMessageWhenEmpty=true;this.validationFailed=!this.validateElement(validation.type,validation.params);break;default:this.validationFailed=!this.validateElement(validation.type,validation.params);break;}
if(this.validationFailed)return false;}
this.message=this.validMessage;return true;},validateElement:function(validationFunction,validationParamsObj){var value=(this.elementType==LiveValidation.SELECT)?this.element.options[this.element.selectedIndex].value:this.element.value;if(validationFunction==Validate.Acceptance){if(this.elementType!=LiveValidation.CHECKBOX)throw new Error('LiveValidation::validateElement - Element to validate acceptance must be a checkbox!');value=this.element.checked;}
var isValid=true;try{validationFunction(value,validationParamsObj);}catch(error){if(error instanceof Validate.Error){if(value!==''||(value===''&&this.displayMessageWhenEmpty)){this.validationFailed=true;this.message=error.message;isValid=false;}}else{throw error;}}finally{return isValid;}},validate:function(){if(!this.element.disabled){var isValid=this.doValidations();if(isValid){this.onValid();return true;}else{this.onInvalid();return false;}}else{return true;}},enable:function(){this.element.disabled=false;return this;},disable:function(){this.element.disabled=true;this.removeMessageAndFieldClass();return this;},createMessageSpan:function(){var span=document.createElement('span');var textNode=document.createTextNode(this.message);span.appendChild(textNode);return span;},insertMessage:function(elementToInsert){this.removeMessage();if((this.displayMessageWhenEmpty&&(this.elementType==LiveValidation.CHECKBOX||this.element.value==''))||this.element.value!=''){var className=this.validationFailed?this.invalidClass:this.validClass;elementToInsert.className+=' '+this.messageClass+' '+className;if(this.insertAfterWhatNode.nextSibling){this.insertAfterWhatNode.parentNode.insertBefore(elementToInsert,this.insertAfterWhatNode.nextSibling);}else{this.insertAfterWhatNode.parentNode.appendChild(elementToInsert);}}},addFieldClass:function(){this.removeFieldClass();if(!this.validationFailed){if(this.displayMessageWhenEmpty||this.element.value!=''){if(this.element.className.indexOf(this.validFieldClass)==-1)this.element.className+=' '+this.validFieldClass;}}else{if(this.element.className.indexOf(this.invalidFieldClass)==-1)this.element.className+=' '+this.invalidFieldClass;}},removeMessage:function(){var nextEl;var el=this.insertAfterWhatNode;while(el.nextSibling){if(el.nextSibling.nodeType===1){nextEl=el.nextSibling;break;}
el=el.nextSibling;}
if(nextEl&&nextEl.className.indexOf(this.messageClass)!=-1)this.insertAfterWhatNode.parentNode.removeChild(nextEl);},removeFieldClass:function(){if(this.element.className.indexOf(this.invalidFieldClass)!=-1)this.element.className=this.element.className.split(this.invalidFieldClass).join('');if(this.element.className.indexOf(this.validFieldClass)!=-1)this.element.className=this.element.className.split(this.validFieldClass).join(' ');},removeMessageAndFieldClass:function(){this.removeMessage();this.removeFieldClass();}}
var LiveValidationForm=function(element){this.initialize(element);}
LiveValidationForm.instances={};LiveValidationForm.getInstance=function(element){var rand=Math.random()*Math.random();if(!element.id)element.id='formId_'+rand.toString().replace(/\./,'')+new Date().valueOf();if(!LiveValidationForm.instances[element.id])LiveValidationForm.instances[element.id]=new LiveValidationForm(element);return LiveValidationForm.instances[element.id];}
LiveValidationForm.prototype={initialize:function(element){this.name=element.id;this.element=element;this.fields=[];this.oldOnSubmit=this.element.onsubmit||function(){};var self=this;this.element.onsubmit=function(e){return(LiveValidation.massValidate(self.fields))?self.oldOnSubmit.call(this,e||window.event)!==false:false;}},addField:function(newField){this.fields.push(newField);},removeField:function(victim){var victimless=[];for(var i=0,len=this.fields.length;i<len;i++){if(this.fields[i]!==victim)victimless.push(this.fields[i]);}
this.fields=victimless;},destroy:function(force){if(this.fields.length!=0&&!force)return false;this.element.onsubmit=this.oldOnSubmit;LiveValidationForm.instances[this.name]=null;return true;}}
var Validate={Presence:function(value,paramsObj){var paramsObj=paramsObj||{};var message=paramsObj.failureMessage||"Can't be empty!";if(value===''||value===null||value===undefined){Validate.fail(message);}
return true;},Numericality:function(value,paramsObj){var suppliedValue=value;var value=Number(value);var paramsObj=paramsObj||{};var minimum=((paramsObj.minimum)||(paramsObj.minimum==0))?paramsObj.minimum:null;;var maximum=((paramsObj.maximum)||(paramsObj.maximum==0))?paramsObj.maximum:null;var is=((paramsObj.is)||(paramsObj.is==0))?paramsObj.is:null;var notANumberMessage=paramsObj.notANumberMessage||"Must be a number!";var notAnIntegerMessage=paramsObj.notAnIntegerMessage||"Must be an integer!";var wrongNumberMessage=paramsObj.wrongNumberMessage||"Must be "+is+"!";var tooLowMessage=paramsObj.tooLowMessage||"Must not be less than "+minimum+"!";var tooHighMessage=paramsObj.tooHighMessage||"Must not be more than "+maximum+"!";if(!isFinite(value))Validate.fail(notANumberMessage);if(paramsObj.onlyInteger&&(/\.0+$|\.$/.test(String(suppliedValue))||value!=parseInt(value)))Validate.fail(notAnIntegerMessage);switch(true){case(is!==null):if(value!=Number(is))Validate.fail(wrongNumberMessage);break;case(minimum!==null&&maximum!==null):Validate.Numericality(value,{tooLowMessage:tooLowMessage,minimum:minimum});Validate.Numericality(value,{tooHighMessage:tooHighMessage,maximum:maximum});break;case(minimum!==null):if(value<Number(minimum))Validate.fail(tooLowMessage);break;case(maximum!==null):if(value>Number(maximum))Validate.fail(tooHighMessage);break;}
return true;},Format:function(value,paramsObj){var value=String(value);var paramsObj=paramsObj||{};var message=paramsObj.failureMessage||"Not valid!";var pattern=paramsObj.pattern||/./;var negate=paramsObj.negate||false;if(!negate&&!pattern.test(value))Validate.fail(message);if(negate&&pattern.test(value))Validate.fail(message);return true;},Email:function(value,paramsObj){var paramsObj=paramsObj||{};var message=paramsObj.failureMessage||"Must be a valid email address!";Validate.Format(value,{failureMessage:message,pattern:/^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i});return true;},Length:function(value,paramsObj){var value=String(value);var paramsObj=paramsObj||{};var minimum=((paramsObj.minimum)||(paramsObj.minimum==0))?paramsObj.minimum:null;var maximum=((paramsObj.maximum)||(paramsObj.maximum==0))?paramsObj.maximum:null;var is=((paramsObj.is)||(paramsObj.is==0))?paramsObj.is:null;var wrongLengthMessage=paramsObj.wrongLengthMessage||"Must be "+is+" characters long!";var tooShortMessage=paramsObj.tooShortMessage||"Must not be less than "+minimum+" characters long!";var tooLongMessage=paramsObj.tooLongMessage||"Must not be more than "+maximum+" characters long!";switch(true){case(is!==null):if(value.length!=Number(is))Validate.fail(wrongLengthMessage);break;case(minimum!==null&&maximum!==null):Validate.Length(value,{tooShortMessage:tooShortMessage,minimum:minimum});Validate.Length(value,{tooLongMessage:tooLongMessage,maximum:maximum});break;case(minimum!==null):if(value.length<Number(minimum))Validate.fail(tooShortMessage);break;case(maximum!==null):if(value.length>Number(maximum))Validate.fail(tooLongMessage);break;default:throw new Error("Validate::Length - Length(s) to validate against must be provided!");}
return true;},Inclusion:function(value,paramsObj){var paramsObj=paramsObj||{};var message=paramsObj.failureMessage||"Must be included in the list!";var caseSensitive=(paramsObj.caseSensitive===false)?false:true;if(paramsObj.allowNull&&value==null)return true;if(!paramsObj.allowNull&&value==null)Validate.fail(message);var within=paramsObj.within||[];if(!caseSensitive){var lowerWithin=[];for(var j=0,length=within.length;j<length;++j){var item=within[j];if(typeof item=='string')item=item.toLowerCase();lowerWithin.push(item);}
within=lowerWithin;if(typeof value=='string')value=value.toLowerCase();}
var found=false;for(var i=0,length=within.length;i<length;++i){if(within[i]==value)found=true;if(paramsObj.partialMatch){if(value.indexOf(within[i])!=-1)found=true;}}
if((!paramsObj.negate&&!found)||(paramsObj.negate&&found))Validate.fail(message);return true;},Exclusion:function(value,paramsObj){var paramsObj=paramsObj||{};paramsObj.failureMessage=paramsObj.failureMessage||"Must not be included in the list!";paramsObj.negate=true;Validate.Inclusion(value,paramsObj);return true;},Confirmation:function(value,paramsObj){if(!paramsObj.match)throw new Error("Validate::Confirmation - Error validating confirmation: Id of element to match must be provided!");var paramsObj=paramsObj||{};var message=paramsObj.failureMessage||"Does not match!";var match=paramsObj.match.nodeName?paramsObj.match:document.getElementById(paramsObj.match);if(!match)throw new Error("Validate::Confirmation - There is no reference with name of, or element with id of '"+paramsObj.match+"'!");if(value!=match.value){Validate.fail(message);}
return true;},Acceptance:function(value,paramsObj){var paramsObj=paramsObj||{};var message=paramsObj.failureMessage||"Must be accepted!";if(!value){Validate.fail(message);}
return true;},Custom:function(value,paramsObj){var paramsObj=paramsObj||{};var against=paramsObj.against||function(){return true;};var args=paramsObj.args||{};var message=paramsObj.failureMessage||"Not valid!";if(!against(value,args))Validate.fail(message);return true;},now:function(validationFunction,value,validationParamsObj){if(!validationFunction)throw new Error("Validate::now - Validation function must be provided!");var isValid=true;try{validationFunction(value,validationParamsObj||{});}catch(error){if(error instanceof Validate.Error){isValid=false;}else{throw error;}}finally{return isValid}},fail:function(errorMessage){throw new Validate.Error(errorMessage);},Error:function(errorMessage){this.message=errorMessage;this.name='ValidationError';}}