// Title: Tigra Form Validator
// URL: http://www.softcomplex.com/products/tigra_form_validator/
// Version: 1.3
// Date: 08/25/2005 (mm/dd/yyyy)
// Notes: This script is free. Visit official site for further details.

// regular expressions or function to validate the format
//var re_dt = /^(\d{1,2})\-(\d{1,2})\-(\d{4})$/,
var re_dt = /^(\d{4})\-(\d{1,2})\-(\d{1,2})$/,
re_tm = /^(\d{1,2})\:(\d{1,2})\:(\d{1,2})$/,
a_formats = {
    'alpha'     : /^[a-zA-Z\æ\ø\å\Æ\Ø\Å\.\-]*$/,
    'alphanum'  : /^[a-zA-Z0-9\æ\ø\å\Æ\Ø\Å\.]*$/,
    //'alphasent' : /^[a-zA-Z0-9\æ\ø\å\Æ\Ø\Å\x0a\x0d\ \.\-]*$/,
    //'alphasent' : /^[a-zA-Z0-9\æ\ø\å\Æ\Ø\Å\:\;\ \,\.\-\!\&?\%\/\(\)§%&=è`$£'ôöä]*$/,
    'alphasent' : /^[^\\']*$/,
    //'alpha'     : /^[a-zA-Z\.\-]*$/,
    //'alphanum'  : /^\w+$/,
    //'alphasent' : /^[a-zA-Z0-9\ \.\-]*$/,
    'anr'       : /^\d{3}-\d{4}-\d{5}$/,
    'bnr'       : /^\d{3}-\d{4}-\d{5}-[A-Z\Ø]-\d{4}-[A-Z\Ø]$/,
    'jnr'       : /^[a-zA-Z0-9\æ\ø\å\Æ\Ø\Å\.\+\/-]*$/,
    //'selskabsnr': /^\d{6}[a-zA-Z0-9]$/,
    'selskabsnr': /^(APS|AS)?\d{1,6}[A|P]?$/,
    'unsigned'  : /^\d+$/,
    'cpr'       : /^\d{6}-\d{4}$/,
    'aeb'       : /^\d{2}-\d{4}$/,
    'integer'   : /^[\+\-]?\d*$/,
    'real'      : /^[\+\-]?\d*\.?\d*$/,
    'price'     : /^\d+([,\.]\d{1,2})?$/,
    'areacode'  : /^[a-zA-Z0-9\- ]*$/,
    'email'     : /^[\w-\.]+\@[\w\.-]+\.[a-z]{2,4}$/,
    'phone'     : /^[\d\.\s\-]+$/,
    'date'      : function (s_date) {
        // check format
        if (!re_dt.test(s_date))
            return false;
        // check allowed ranges	
        if (RegExp.$3 > 31 || RegExp.$2 > 12)
            return false;
        // check number of day in month 
        var dt_test = new Date(RegExp.$1, Number(RegExp.$2-1), RegExp.$3); //(dd, mm, yyyy)
        if (dt_test.getMonth() != Number(RegExp.$2-1))
            return false;
        return true;
    },
    'time'     : function (s_time) {
        // check format
        if (!re_tm.test(s_time))
            return false;
        // check allowed ranges	
        if (RegExp.$1 > 23 || RegExp.$2 > 59 || RegExp.$3 > 59)
            return false;
        return true;
    }
}

a_messages = [
    'No form name passed to validator construction routine', //0
    'No array of "%form%" form fields passed to validator construction routine',
    'Form "%form%" can not be found in this document', //2
    'Incomplete "%n%" form field descriptor entry. "l" attribute is missing',
    'Can not find form field "%n%" in the form "%form%"', //4
    'Can not find label tag (id="%t%")',
    'Can not verify match. Field "%m%" was not found', //6
    'Det er nødvendigt at udfylde feltet "%l%"',
    'Værdien af "%l%" skal være mindst %mn% tegn', //8
    'Værdien af "%l%" må højst være %mx% tegn',
    '"%v%" er ikke en gyldig værdi for "%l%"', //10
    '"%l%" skal matche "%ml%"'
]

// validator counstruction routine
function validator(s_form, a_fields, o_cfg) {
    this.f_error = validator_error;
    this.f_alert = o_cfg && o_cfg.alert
        ? function(s_msg) { alert(s_msg); return false }
    : function() { return false };
		
    // check required parameters
    if (!s_form)	
        return this.f_alert(this.f_error(0));
    this.s_form = s_form;
	
    if (!a_fields || typeof(a_fields) != 'object')
        return this.f_alert(this.f_error(1));
    this.a_fields = a_fields;

    this.a_2disable = o_cfg && o_cfg['to_disable'] && typeof(o_cfg['to_disable']) == 'object'
        ? o_cfg['to_disable']
    : [];
		
    this.exec = validator_exec;
}

// validator execution method
function validator_exec() {
    var o_form = document.forms[this.s_form];
    if (!o_form)	
        return this.f_alert(this.f_error(2));
		
    b_dom = document.body && document.body.innerHTML;
	
    // check integrity of the form fields description structure
    for (var n_key in this.a_fields) {
        // check input description entry
        this.a_fields[n_key]['n'] = n_key;
        if (!this.a_fields[n_key]['l'])
            return this.f_alert(this.f_error(3, this.a_fields[n_key]));
        o_input = o_form.elements[n_key];
        if (!o_input)
            return this.f_alert(this.f_error(4, this.a_fields[n_key]));
        this.a_fields[n_key].o_input = o_input;
    }

    // reset labels highlight
    if (b_dom)
        for (var n_key in this.a_fields) 
            if (this.a_fields[n_key]['t']) {
                var s_labeltag = this.a_fields[n_key]['t'], e_labeltag = get_element(s_labeltag);
                if (!e_labeltag)
                    return this.f_alert(this.f_error(5, this.a_fields[n_key]));
                this.a_fields[n_key].o_tag = e_labeltag;
				
                // normal state parameters assigned here
                e_labeltag.className = 'tfvNormal';
            }

    // collect values depending on the type of the input
    for (var n_key in this.a_fields) {
        var s_value = '';
        o_input = this.a_fields[n_key].o_input;
        if (o_input.type == 'checkbox') // checkbox
            s_value = o_input.checked ? o_input.value : '';
        else if (o_input.value) // text, password, hidden
            s_value = o_input.value;
        else if (o_input.options) // select
            s_value = o_input.selectedIndex > -1
            ? o_input.options[o_input.selectedIndex].value
        : null;
        else if (o_input.length > 0) // radiobuton
            for (var n_index = 0; n_index < o_input.length; n_index++)
                if (o_input[n_index].checked) {
                    s_value = o_input[n_index].value;
                    break;
                }
        this.a_fields[n_key]['v'] = s_value.replace(/(^\s+)|(\s+$)/g, '');
    }
	
    // check for errors
    var n_errors_count = 0,
    n_another, o_format_check;
    for (var n_key in this.a_fields) {
        o_format_check = this.a_fields[n_key]['f'] && a_formats[this.a_fields[n_key]['f']]
            ? a_formats[this.a_fields[n_key]['f']]
        : null;

        // reset previous error if any
        this.a_fields[n_key].n_error = null;

        // check reqired fields
        if (this.a_fields[n_key]['r'] && !this.a_fields[n_key]['v']) {
            this.a_fields[n_key].n_error = 1;
            n_errors_count++;
        }
        // check length
        else if (this.a_fields[n_key]['mn'] && this.a_fields[n_key]['v'] != '' && String(this.a_fields[n_key]['v']).length < this.a_fields[n_key]['mn']) {
            this.a_fields[n_key].n_error = 2;
            n_errors_count++;
        }
        else if (this.a_fields[n_key]['mx'] && String(this.a_fields[n_key]['v']).length > this.a_fields[n_key]['mx']) {
            this.a_fields[n_key].n_error = 3;
            n_errors_count++;
        }
        // check format
        else if (this.a_fields[n_key]['v'] && this.a_fields[n_key]['f'] && (
        (typeof(o_format_check) == 'function'
            && !o_format_check(this.a_fields[n_key]['v']))
            || (typeof(o_format_check) != 'function'
            && !o_format_check.test(this.a_fields[n_key]['v'])))
    ) {
            this.a_fields[n_key].n_error = 4;
            n_errors_count++;
        }
        // check match	
        else if (this.a_fields[n_key]['m']) {
            for (var n_key2 in this.a_fields)
                if (n_key2 == this.a_fields[n_key]['m']) {
                    n_another = n_key2;
                    break;
                }
            if (n_another == null)
                return this.f_alert(this.f_error(6, this.a_fields[n_key]));
            if (this.a_fields[n_another]['v'] != this.a_fields[n_key]['v']) {
                this.a_fields[n_key]['ml'] = this.a_fields[n_another]['l'];
                this.a_fields[n_key].n_error = 5;
                n_errors_count++;
            }
        }
		
    }

    // collect error messages and highlight captions for errorneous fields
    var s_alert_message = '',
    e_first_error;

    if (n_errors_count) {
        for (var n_key in this.a_fields) {
            var n_error_type = this.a_fields[n_key].n_error,
            s_message = '';
				
            if (n_error_type)
                s_message = this.f_error(n_error_type + 6, this.a_fields[n_key]);

            if (s_message) {
                if (!e_first_error)
                    e_first_error = o_form.elements[n_key];
                s_alert_message += s_message + "\n";
                // highlighted state parameters assigned here
                if (b_dom && this.a_fields[n_key].o_tag)
                    this.a_fields[n_key].o_tag.className = 'tfvHighlight';
            }
        }
		
        //Displays alert when fields are in error
        //alert(s_alert_message);
        // set focus to first errorneous field
        if (e_first_error.focus && e_first_error.type != 'hidden'  && !e_first_error.disabled)
            eval("e_first_error.focus()");
        // cancel form submission if errors detected
        return false;
    }
	
    for (n_key in this.a_2disable)
        if (o_form.elements[this.a_2disable[n_key]])
            o_form.elements[this.a_2disable[n_key]].disabled = true;

    return true;
}

function validator_error(n_index) {
    var s_ = a_messages[n_index], n_i = 1, s_key;
    for (; n_i < arguments.length; n_i ++)
        for (s_key in arguments[n_i])
            s_ = s_.replace('%' + s_key + '%', arguments[n_i][s_key]);
    s_ = s_.replace('%form%', this.s_form);
    return s_
}

function get_element (s_id) {
    return (document.all ? document.all[s_id] : (document.getElementById ? document.getElementById(s_id) : null));
}