// JavaScript Document



/*

* @Author = Michael Mafort <michaelmafort@gmail.com>

* @Since = 09/06/2007

* @License = Open

* @Access = public

*/



/*

* @Classe responsável pela validação de um formulário

* @Deve-se editar a variável radios de acordo com os nomes dos campos radios do formulário que se deseja validar

* @Exemplo de campos radios num formulario radios = "sexo,fumente";

* @A função é chamada dentro do form assim: onsubmit="return validateForm(this); return false"

* @Funciona tanto em IE quanto no FF (testes nos dois navegadores);

*/

var errors = "";

var mailMsg = "";

var radios = ""

var lang = "";



function validateForm( form , language ){

	

	language != 'en' ? lang = 'pt' : lang = language;

	errors = "";

	mailMsg = "";

	

	var txt = textInputs( form );

	var txa = textAreas( form );

	var sel = selects( form );

	var rad = "success";

	

	if( radios != "" ){

		rad = checkRadio( form );

	}

	

	if( ( txt == "error" ) || ( txa == "error" ) || ( sel == "error" ) || ( rad == "error" ) ){

		

		if( lang == 'pt' ){

			alert( "Por favor verifique o(s) campo(s) antes de submeter:\n\n" + splitMsg( errors ) );

			return false;

		}else{

			alert( "Please fill the field(s):\n\n" + splitMsg( errors ) );

			return false;

		}

		

		return false;

	}else{

		return true;

	}

	

	return false;

}



function textInputs( form ){

	inputs = form.getElementsByTagName('input');

	inputMail = "";

	

	for( i = 0 ; i < inputs.length ; i++ ){

		if( ( inputs[i].type == "text" ) || ( inputs[i].type == "password" ) || ( inputs[i].type == "file" ) ){

			if( ( inputs[i].title != "" ) && ( !inputs[i].disabled ) ){

				if( inputs[i].title == "E-mail" ){

					inputMail = inputs[i];

				}

				if( ( inputs[i].value == "" ) && ( inputs[i].title != "E-mail" ) && ( !inputs[i].disabled ) ){

						errors += inputs[i].title + ",";

				}

			}

		}

	}



	if( inputMail != "" ){

		mailMsg = validateMailAddress( inputMail.value );

	}

	

	if( mailMsg != "" ){

		errors += mailMsg + ",";

	}

	

	if( errors != "" ){

		return "error";

		return false;

	}

	

}



function checkRadio( form ){

	var checked = new Array();

	var radioName = radios.split(",");

	

	inputs = form.getElementsByTagName('input');

	

	for( x = 0 ; x < radioName.length ; x++ ){

		checked[x] = -1;

		for( i = 0 ; i < inputs.length ; i++ ){

			if( ( inputs[i].type == "radio" ) && ( inputs[i].name == radioName[x] ) && ( !inputs[i].disabled ) ){

				if( inputs[i].title != "" ){

					if( inputs[i].checked ){

						checked[x] = i;

					}

				}

			}

		}

	}

	

	for( i = 0 ; i < radioName.length ; i++ ){

		if( checked[i] == -1 ){

			errors += document.getElementById(radioName[i]).title + ",";

		}

	}

	

	if( errors != "" ){

		return "error";

	}

	

}



function selects( form ){

	inputs = form.getElementsByTagName('select');

	

	for( i = 0 ; i < inputs.length ; i++ ){

		selIndex = inputs[i].selectedIndex;

		if( ( inputs[i].title != "" )  && ( !inputs[i].disabled ) ){

			if( ( inputs[i].options[selIndex].value == "" ) || ( inputs[i].options[selIndex].value == undefined ) ){

				errors += inputs[i].title + ",";

			}

		}

	}

	

	if( errors != "" ){

		return "error";

	}

}



function textAreas( form ){

	inputs = form.getElementsByTagName('textarea');

	

	for( i = 0 ; i < inputs.length ; i++ ){

		if( inputs[i].title != "" ){

			if( ( inputs[i].value == "" )  && ( !inputs[i].disabled ) ){

				errors += inputs[i].title + ",";

			}

		}

	}

	

	if( errors != "" ){

		return "error";

	}

}



function validateMailAddress( mail ){

	var arrMail = mail.split( "@" );

	var user = arrMail[0];

	var dom = arrMail[1];

	var res = "";

	var specialChars = "!#$%&*()+=<>:;,?/}]{[";

	

	if( ( mail == "" ) || ( dom == undefined ) || ( dom == "" ) ){

		switch( lang ){

			case "pt" :

			res = "E-mail inválido ou vázio.";

			break;

			

			case "en" :

			res = "Invalid or empty e-mail address.";

			break;

		}

	}

	

	else{

		for( i = 0 ; i < mail.length; i++ ){

			for( x = 0 ; x < specialChars.length ; x++ ){

				if( mail.charAt(i) == specialChars.charAt(x) ){

					switch( lang ){

						case "pt" :

						res = "E-mail inválido ou vázio.";

						break;

						

						case "en" :



						res = "Invalid or empty e-mail address.";

						break;

					}

				}

			}

		}

		

		if( ( mail.indexOf( "@" ) == -1 ) || ( dom.indexOf(".") == -1 ) ){

			switch( lang ){

				case "pt" :

				res = "E-mail inválido ou vázio.";

				break;

				

				case "en" :

				res = "Invalid or empty e-mail address.";

				break;

			}

		}

	

	}

	

	return res;

	



}



function splitMsg( msg ){

	msg = msg.substr( 0 , msg.length - 1 );

	inputs = msg.split(",");

	var message = "";

	

	for( i = 0 ; i < inputs.length ; i++ ){

		message += "- " + inputs[i] + "\n";

	}

	

	return message;

}