/*
Author: mg12
Author URI: http://www.neoease.com/
*/

function mostrar_informacion(txt){  
    //expresion regular  
        var b=/^[^@\s]+@[^@\.\s]+(\.[^@\.\s]+)+$/  
        //devuelve verdadero si validacion OK, y falso en caso contrario  
        return b.test(txt)  
}

function validarFormContacto(form) {
if(form.first_name.value == '') {
alert('Por favor introduzca el Nombre');
form.first_name.focus();
return false;
}

if(form.last_name.value == '') {
alert('Por favor introduzca sus apellidos');
form.last_name.focus();
return false;
}

if(form.email.value == '') {
alert('Debe escribir un correo electrónico');
form.email.focus();
return false;
}else{
if(!mostrar_informacion(form.email.value)) {
alert('Debe escribir un correo electrónico válido');
form.email.focus();
return false;
}
}


if(form.company.value == '') {
alert('Por favor introduzca el nombre de su compañía');
form.company.focus();
return false;
}

if(form.employees.value == '') {
alert('Debe introducir el número de empleados de su compañía');
form.employees.focus();
return false;
}

return true;
}


(function() {





function $(id) {
	return document.getElementById(id);
}

function reply(authorId, commentId, commentBox) {
	var author = MGJS.$(authorId).innerHTML;
	var insertStr = '<a href="#' + commentId + '">@' + author.replace(/\t|\n|\r\n/g, "") + '</a> \n';

	appendReply(insertStr, commentBox);
}

function quote(authorId, commentId, commentBodyId, commentBox) {
	var author = MGJS.$(authorId).innerHTML;
	var comment = MGJS.$(commentBodyId).innerHTML;

	var insertStr = '<blockquote cite="#' + commentBodyId + '">';
	insertStr += '\n<a href="#' + commentId + '">' + author.replace(/\t|\n|\r\n/g, "") + '</a> :';
	insertStr += comment.replace(/\t/g, "");
	insertStr += '</blockquote>\n';

	insertQuote(insertStr, commentBox);
}

function appendReply(insertStr, commentBox) {
	if(MGJS.$(commentBox) && MGJS.$(commentBox).type == 'textarea') {
		field = MGJS.$(commentBox);

	} else {
		alert("The comment box does not exist!");
		return false;
	}

	if (field.value.indexOf(insertStr) > -1) {
		alert("You've already appended this reply!");
		return false;
	}

	if (field.value.replace(/\s|\t|\n/g, "") == '') {
		field.value = insertStr;
	} else {
		field.value = field.value.replace(/[\n]*$/g, "") + '\n\n' + insertStr;
	}
	field.focus();
}

function insertQuote(insertStr, commentBox) {
	if(MGJS.$(commentBox) && MGJS.$(commentBox).type == 'textarea') {
		field = MGJS.$(commentBox);

	} else {
		alert("The comment box does not exist!");
		return false;
	}

	if(document.selection) {
		field.focus();
		sel = document.selection.createRange();
		sel.text = insertStr;
		field.focus();

	} else if (field.selectionStart || field.selectionStart == '0') {
		var startPos = field.selectionStart;
		var endPos = field.selectionEnd;
		var cursorPos = startPos;
		field.value = field.value.substring(0, startPos)
					+ insertStr
					+ field.value.substring(endPos, field.value.length);
		cursorPos += insertStr.length;
		field.focus();
		field.selectionStart = cursorPos;
		field.selectionEnd = cursorPos;

	} else {
		field.value += insertStr;
		field.focus();
	}
}


window['MGJS'] = {};
window['MGJS']['$'] = $;
window['MGJS_CMT'] = {};
window['MGJS_CMT']['reply'] = reply;
window['MGJS_CMT']['quote'] = quote;

})();