function iniciar_form(nome_form,a_campos)

{

  //iniciando validador do form

  o_config = {'to_disable' : ['Submit', 'Reset'],'alert' : 1};

  var v = new validator(nome_form, a_campos, o_config);



  //colocando a mascara

  for (var n_key in a_campos) {

	  

	  if(a_campos[n_key]['mascara'])

	  {

		oStringMask = new Mask(a_campos[n_key]['mascara']);

	    oStringMask.attach(document.getElementById(n_key));

	  }

  }

  

  //colocando os helps

  for (var n_key in a_campos) {



	  if(a_campos[n_key]['help'])

	  {

		 campo = document.getElementById(n_key);

		 campo.title = a_campos[n_key]['help'];

 		

		

 		/*if(exibe_assistente)

		{

		 campo.onmouseover = mudar_help;

 		 campo.onfocus     = mudar_help;

		 campo.onmouseout  = limpar_help;

		}

		else

		{

		 campo.onmouseover = mudar_status;

 		 campo.onfocus     = mudar_status;

		 campo.onmouseout  = limpar_status;

		}*/



		  //campo.icone = a_campos[n_key]['help_icone'];

	  }

  }

 // makeNiceTitles();

 

  return v;

}





// Title: Tigra Form Validator

// URL: http://www.softcomplex.com/products/tigra_form_validator/

// Version: 1.0

// Date: 06/24/2004 (mm/dd/yyyy)

// Notes: Registration needed to use this script legally. Visit official site for details.



// regular expressions or function to validate the format

var re_dt = /^(\d{1,2})\/(\d{1,2})\/(\d{4})$/,

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	

		//alert(RegExp.$3 );

		//alert(RegExp.$1 );

		//alert(RegExp.$2 );

		if (RegExp.$1 > 31 || RegExp.$2 > 12)

			return false;

		// check number of day in month

		var dt_test = new Date(RegExp.$3, Number(RegExp.$2-1), RegExp.$1);

		if (dt_test.getMonth() != Number(RegExp.$2-1))

			return false;

		return true;

	},

	'time'    : function validate_time(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',

	'O campo <b>"%l%"</b> precisa ser preenchido',

	'O valor do campo <b>"%l%"</b> precisa ter no minimo %mn% caracteres',

	'O valor do campo <b>"%l%"</b> não pode ser maior do que %mx% caracteres',

	'"<b>%v%"</b> não é um valor válido para o campo <b>"%l%"</b>',

	'"<b>%l%"</b> precisa ser igual à <b>"%ml%"</b>'

]



// validator construction 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 = 'forms_normal';

			}



	// collect values depending on the type of the input

	for (var n_key in this.a_fields) {

		o_input = this.a_fields[n_key].o_input;

		if (o_input.value || o_input.checked) // text, password, hidden, checkbox

			this.a_fields[n_key]['v'] = o_input.value;

		else if (o_input.options) // select

			this.a_fields[n_key]['v'] = o_input.options[o_input.selectedIndex].value;

		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) {

					this.a_fields[n_key]['v'] = o_input[n_index].value;

					break;

				}

	}

	

	// 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'] && 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 + "<br>";

				// highlighted state parameters assigned here

				if (b_dom && this.a_fields[n_key].o_tag)

					this.a_fields[n_key].o_tag.className = 'forms_erro';

			}

		}

		//alert(document.getElementById('alerta_area'));

		if(document.getElementById('alerta_area'))

		{

		//	alert(document.getElementById('alerta_area'));

		  mostrar_alerta(s_alert_message);

		  botao_alerta("ok","","esconder_alerta()");

		  

		}

		else

		{

			s_alert_message = replace_all(s_alert_message,'<br>','\n');

		    s_alert_message = replace_all(s_alert_message,'<b>','');

			s_alert_message = replace_all(s_alert_message,'</b>','');

				alert(s_alert_message);			

		}

		// set focus to first errorneous field

		/*if (e_first_error.focus)

		{

			//t.switchTo(e_first_error[tab]);

			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;

}



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 desabilitar(campo)

{

 	if(a_campos[campo])

	  a_campos[campo]['r'] = false;

	if(t = get_element('t_'+campo))

	 t.className = t.className.replace('_normal', '_off'); 

	

	e = get_element(campo);

	e.disabled = true;

	e.className = e.className.replace('_normal', '_off');

}

function habilitar(campo)

{

	if(a_campos[campo])

	  a_campos[campo]['r'] = true;

	if(t = get_element('t_'+campo))

  	  t.className = t.className.replace('_off', '_normal') ;

	e = get_element(campo);

	e.disabled = false;

    e.className = e.className.replace('_off', '_normal'); 

	//t.className = 'input_text';

}