// form validation function //
function validate_comment(form, val) {
  if(val == 1){
	  var name 	   = form.nombres.value;
	  var email    = form.email.value;
	  var message  = form.comentario.value;
	  var clave	   = form.txtcaptcha.value;
	  var nameRegex = /^[a-zA-Z������]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
	  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	  var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
	  
	  if(name == "") {
		inlineMsg('nombres','Usted debe ingresar su nombre.',2);
		return false;
	  }
	  if(!name.match(nameRegex)) {
		inlineMsg('nombres','Ha ingresado un nombre no v&aacute;lido.',2);
		return false;
	  }
	  if(email == "") {
		inlineMsg('email','<strong>Error</strong><br />Debe ingresar su correo electr&oacute;nico.',2);
		return false;
	  }
	  if(!email.match(emailRegex)) {
		inlineMsg('email','<strong>Error</strong><br />Ha ingresado una direcci&oacute;n de correo electr&oacute;nico no es v&aacute;lida.',2);
		return false;
	  }
	  if(message == "") {
		inlineMsg('comentario','Debe escribir un comentario.');
		return false;
	  }
	  if(message.match(messageRegex)) {
		inlineMsg('comentario','Ha escribir un comentario no v&aacute;lido.');
		return false;
	 }
	 if(clave == "") {
		inlineMsg('btnv','Ingrese el codigo de la imagen');
		return false;
	 }
	 $.get("operaciones.php",{option:'valida-captcha',value:$("#txtcaptcha").val()},function(data){
		if(data == 0){
			inlineMsg('btnv','El codigo de la imagen es incorrecta');
			return false;	
		}else{
			var interval;
			$.ajax({
				  type: "POST",
				  url: "operaciones.php?option=add-comentarios",
				  data : "&empresa="+$("#id_empresa").val()+"&nombres="+$('#nombres').val()+"&email="+$('#email').val()+"&comentario="+$('#comentario').val(),	 
				  beforeSend: function(objeto){
					$(".loadingn").text('Enviando el Formulario');
					var point = ($(".loadingn").text()).length + 3;
					interval = window.setInterval(function(){
						var text = $(".loadingn").text();
						if (text.length < point){
							$(".loadingn").text(text + '.');	
						} else {
							$(".loadingn").text('Enviando el Formulario');				
						}
					}, 200);
				},
				 success: function(msg){
				  window.clearInterval(interval);
				  $("#formulario_comentarios").slideUp("fast");
				  $("#confirmacion_comentarios").slideDown("slow");
				 },
				 complete:function(){
					
				 }
			});
				
		}											 
	 });
	 
		
	  return false;
 
  
	}else{
	  var name = form.name.value;
	  var email = form.email.value;
	   //var gender = form.gender.value;
	  var message = form.message.value;
	  var nameRegex = /^[a-zA-Z������]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
	  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	  var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
			 
		  if(name == "") {
			inlineMsg('name','Usted debe ingresar su nombre.',2);
			return false;
		  }
		  if(!name.match(nameRegex)) {
			inlineMsg('name','Ha introducido un nombre no v&aacute;lido.',2);
			return false;
		  }
		  if(email == "") {
			inlineMsg('email','<strong>Error</strong><br />Debe introducir su correo electr&oacute;nico.',2);
			return false;
		  }
		  if(!email.match(emailRegex)) {
			inlineMsg('email','<strong>Error</strong><br />Ha introducido una direcci&oacute;n de correo electr&oacute;nico no es v&aacute;lida.',2);
			return false;
		  }
		  if(message == "") {
			inlineMsg('message','Debe introducir un mensaje.');
			return false;
		  }
		  if(message.match(messageRegex)) {
			inlineMsg('message','Ha introducido un mensaje no es v&aacute;lido.');
			return false;
		  }
	}
}

// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 10;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {
  arrow = new Image(7,80); 
  arrow.src = "../imgs/msg_arrow_blue.gif"; 
}