// form validation function //

function validate_mail(mail_form) {
  var mail_name = mail_form.mail_name.value;
  var mail_email = mail_form.mail_email.value;
  var mail_message = mail_form.mail_message.value;
  var mail_security_code = mail_form.mail_security_code.value;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;

  var name_text = "Вы должны ввести Ваше имя!";
  var wrong_name_text = "Вы ввели некорректное имя!";
  var email_text = 'Вы должны ввести Ваш e-mail!';
  var wrong_email_text = '<strong>ОШИБКА!</strong><br />Вы ввели некорректный e-mail!';
  var message_text = 'Вы должны ввести текст сообщения!';
  var wrong_message_text = '<strong>ОШИБКА!</strong><br />Вы ввели некорректный текст сообщения!';
  var security_code_text = 'Вы должны ввести текст кода!';
  

 if(mail_name == "") {
    inlineMsg('mail_name',name_text,2);
    return false;
  }
  if(mail_name.length>=1) {
	s=mail_name;
    r1=new RegExp("<");
    b=r1.test(s);
        if (b) {
          inlineMsg('mail_name',wrong_name_text,2);
          return false;
	   } else {
        for (i=0; i<=s.length; i++) {
        s=s.replace('хуй','***');
        s=s.replace('хуе','***');
        s=s.replace('еба','***');
        s=s.replace('ебн','***');
        s=s.replace('еба','***');
	    s=s.replace('еби','***');
        s=s.replace('ебу','***');
        s=s.replace('ёб','***');
        s=s.replace('пизд','***');
        s=s.replace('пезд','***');
        s=s.replace('еба','***');
        }
        document.getElementById("mail_name").value=s;  // а вот тут можно переслать даные в другой хиден, для отправки
        }
  }

if(mail_email == "") {
    inlineMsg('mail_email',email_text,2);
    return false;
  }

if (mail_email.length>1) {
  if(!mail_email.match(emailRegex)) {
    inlineMsg('mail_email',wrong_email_text,2);
    return false;
  }
}
  if(mail_message == "") {
    inlineMsg('mail_message',message_text);
    return false;
  }
  
  if(mail_message.length>=1) {
	    st=mail_message;
        r1=new RegExp("<");
        b=r1.test(st);
        if (b) {
		  inlineMsg('mail_message',wrong_message_text);
          return false;
        } 
		
  if(mail_security_code == "") {
    inlineMsg('mail_security_code',security_code_text);
    return false;
    }
		
		else {
        for (i=0; i<=st.length; i++) {
        st=st.replace('O:-)','<img src="/assets/smiles/1.png" style="border: none;" alt="" />');
        st=st.replace(':-)','<img src="/assets/smiles/2.png" style="border: none;" alt="" />');
        st=st.replace(':-(','<img src="/assets/smiles/3.png" style="border: none;" alt="" />');
        st=st.replace(';-)','<img src="/assets/smiles/4.png" style="border: none;" alt="" />');
        st=st.replace(':-P','<img src="/assets/smiles/5.png" style="border: none;" alt="" />');
        st=st.replace(':-q','<img src="/assets/smiles/6.png" style="border: none;" alt="" />');
        st=st.replace('XD','<img src="/assets/smiles/7.png" style="border: none;" alt="" />');
        st=st.replace(':-/','<img src="/assets/smiles/8.png" style="border: none;" alt="" />');
        st=st.replace(':-[','<img src="/assets/smiles/9.png" style="border: none;" alt="" />');
        st=st.replace(':-Q','<img src="/assets/smiles/10.png" style="border: none;" alt="" />');
        st=st.replace('O-]--','<img src="/assets/smiles/11.png" style="border: none;" alt="" />');
        st=st.replace('%)','<img src="/assets/smiles/12.png" style="border: none;" alt="" />');
        st=st.replace(':-J','<img src="/assets/smiles/13.png" style="border: none;" alt="" />');
        st=st.replace(':-E','<img src="/assets/smiles/14.png" style="border: none;" alt="" />');
        st=st.replace(':-*','<img src="/assets/smiles/15.png" style="border: none;" alt="" />');
        st=st.replace('(-.-)Zzz..','<img src="/assets/smiles/16.png" style="border: none;" alt="" />');        
        st=st.replace('хуй','***');
        st=st.replace('хуе','***');
        st=st.replace('еба','***');
        st=st.replace('ебн','***');
        st=st.replace('еба','***');
	    st=st.replace('еби','***');
        st=st.replace('ебу','***');
        st=st.replace('ёб','***');
        st=st.replace('пизд','***');
        st=st.replace('пезд','***');
        st=st.replace('еба','***');
        }
        document.getElementById("hidden_message").value=st;
        }
	 }
	
   return true;
  }


// 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 = 0;
  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 = "/assets/msg_arrow.gif"; 
}