/*Validate V2.1,Samuel Birch,Form validation,Open Source MIT Licence*/
var Validate = new Class({
    getOptions: function(){
        return { validateOnBlur: true, errorClass: 'error', errorMsgClass: 'errorMessage', dateFormat: 'dd/MM/yy', onFail: Class.empty, onSuccess: false, showErrorsInline: true, label: 'Por favor espere...'
        };
    },
    initialize: function(form, options){
        this.setOptions(this.getOptions(), options);
        this.form=$(form);
        this.elements=this.form.getElements('.required');
        this.list=[];
        this.elements.each(function(el,i){ if(this.options.validateOnBlur){ el.addEvent('blur', this.validate.bind(this, el));}}.bind(this));
        this.form.addEvent('submit', function(e){
            var event=new Event(e);
            var doSubmit=true;
            this.elements.each(function(el,i){ if(! this.validate(el)){ event.stop(); doSubmit=false; this.list.include(el);}else{ this.list.remove(el);}}.bind(this));
            if(doSubmit){ if(this.options.onSuccess){ event.stop(); this.options.onSuccess(this.form);}else{ this.form.getElement('input[type=submit]').setProperty('value',this.options.label);}}else{ this.options.onFail(this.getList());}
        }.bind(this));
    },
    getList: function(){
        var list=new Element('ul');
        this.list.each(function(el,i){ if(el.title != ''){ var li=new Element('li').injectInside(list); new Element('label').setProperty('for', el.id).setText(el.title).injectInside(li);}});
        return list;
    },
    validate: function(el){
        var valid=true;
        this.clearMsg(el);
        switch(el.type){
            case 'text':
            case 'textarea':
            case 'select-one':
                if(el.value!=''){
                    if(el.hasClass('email')){ var regEmail = /^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/; if(el.value.toUpperCase().match(regEmail)){ valid = true;}else{ valid = false; this.setMsg(el, 'Por favor ingrese una direccion de correo valida');}}
                    if(el.hasClass('number')){ var regNum = /[-+]?[0-9]*\.?[0-9]+/; if(el.value.match(regNum)){ valid=true;} else { valid=false; this.setMsg(el, 'Por favor ingrese un numero valido');}}
                    if(el.hasClass('postcode')){ var regPC = /^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z])))) [0-9][A-Za-z]{2})$/; if(el.value.match(regPC)){ valid = true; }else{ valid = false; this.setMsg(el, 'Por favor ingrese un Codigo Postal Valido');}}
                    if(el.hasClass('date')){ var d = Date.parseExact(el.value, this.options.dateFormat); if(d != null){ valid = true;}else{ valid = false; this.setMsg(el, 'Por favor ingrese una fecha correcta en el siguiente formato: '+this.options.dateFormat.toLowerCase());}}
                }else{ valid=false; this.setMsg(el);
                } break;
            case 'checkbox':
                if(!el.checked){ valid=false; this.setMsg(el);}else{ valid=true;} break;
            case 'radio':
                var rad=$A(this.form[el.name]); var ok=false; rad.each(function(e,i){ if(e.checked){ ok=true;}}); if(!ok){ valid=false; this.setMsg(rad.getLast(), 'Por favor seleccione una opcion.');}else{ valid=true; this.clearMsg(rad.getLast());} break;
        }
        return valid;
    },
    setMsg: function(el, msg){
        if(msg==undefined){ msg=el.title;}
        if(this.options.showErrorsInline){ if (el.error==undefined) { el.error=new Element('span').addClass(this.options.errorMsgClass).setText(msg).injectAfter(el);}else{ el.error.setText(msg);} el.addClass(this.options.errorClass);}
    },
    clearMsg: function(el){el.removeClass(this.options.errorClass); if (el.error!=undefined) {el.error.remove(); el.error=undefined;}}
});
Validate.implement(new Options);
Validate.implement(new Events);