var user_fullname = "";
var user_mail = "";
var user_subject = "";
var user_text = "";

function init_check()
{
    user_fullname   = document.getElementById("user_fullname");
    user_komu		= document.getElementById("user_komu");
    user_mail       = document.getElementById("user_mail");
    user_subject    = document.getElementById("user_subject");
    user_text       = document.getElementById("user_text");    
}

function check()
{    
    init_check();
    var ch = true;
    if (!check_on_empty()) ch = false;     
    if(ch) ch = check_mail();
    if(!ch) alert("Xahiş edirik, formanı düzgün və bütünlüklə doldurun.");
    return ch;
}

function check_on_empty()
{
    var empty = true;    
    if(user_fullname.value=="")
    {
        empty = false; 
        document.getElementById("msg_name").innerHTML ="* ";
        user_fullname.className = "shura_err";
    }    
    else user_fullname.className = "";
	if(user_komu.value=="")
    {
        empty = false; 
        document.getElementById("msg_name").innerHTML ="* ";
        user_komu.className = "shura_err";
    }    
    else user_komu.className = "";
    if(user_mail.value=="")
    {
        empty = false; 
        document.getElementById("msg_mail").innerHTML ="* ";
        user_mail.className = "shura_err";
    } 
    else user_mail.className = "";
    if(user_subject.value=="")
    {
        empty = false; 
        document.getElementById("msg_subject").innerHTML ="* ";
        user_subject.className = "shura_err";
    } 
    else user_subject.className = "";
    if(user_text.value=="")
    {
        empty = false; 
        document.getElementById("msg_text").innerHTML ="* ";
        user_text.className = "shura_err";
    } 
    else user_text.className = "";    
    return empty;
}


function check_mail()
{
    var pattern = /^[\w_\-\.]+@[\w\-\.]+\.[\w]{2,6}$/i;
    var rg = new RegExp(pattern);
    if(rg.exec(user_mail.value)==null)
    {
        user_mail.className = "shura_err";
        document.getElementById("msg_mail").innerHTML +=" ";
        return false;
    }
    user_mail.className = "";
    return true;
}