// 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{4})\-(\d{1,2})\-(\d{1,2})$/
re_tm = /^(\d{1,2})\:(\d{1,2})\:(\d{1,2})$/
a_formats = {
 'alpha'   : /^[a-zA-Z\.\-]*$/,
 'alphanum': /^\w+$/,
 'unsigned': /^\d+$/,
 'integer' : /^[\+\-]?\d*$/,
 'real'    : /^[\+\-]?\d*\.?\d*$/,
 'email'   : /^[\w-\.]+\@[\w\.-]+\.[a-z]{2,4}$/,
 '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);
   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',
 'No array of "%form%" form fields passed to validator construction routine',
 'Form "%form%" can not be found in this document',
 'Incomplete "%n%" form field descriptor entry. "l" attribute is missing',
 'Can not find form field "%n%" in the form "%form%"',
 'Can not find label tag (id="%t%")',
 'Can not verify match. Field "%m%" was not found',
 '"%l%" is a required field',
 'Value for "%l%" must be %mn% characters or more',
 'Value for "%l%" must be no longer than %mx% characters',
 '"%v%" is not valid value for "%l%"',
 '"%l%" must match "%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));

 //getChecked(document.getElementsByName("evtChk"));
 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';
   }
  }
  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));
}

function days_in_month (year, month) {
     return 32 - new Date(year, month-1, 32).getDate();
}

//Modified by Dritan Xhabija