function xmlhttpPost(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
            updatepage(self.xmlHttpReq.responseText);
        }
    }
    self.xmlHttpReq.send(getquerystring());
}

function xmlhttpPost2(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
            updatepage2(self.xmlHttpReq.responseText);
        }
    }
    self.xmlHttpReq.send(getquerystring());
}

function xmlhttpPost3(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
            updatepage3(self.xmlHttpReq.responseText);
        }
    }
    self.xmlHttpReq.send(getquerystring());
}

function xmlhttpPost4(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
            updatepage4(self.xmlHttpReq.responseText);
        }
    }
    self.xmlHttpReq.send(getquerystring());
}



//   The following function obtains two variables from your form (email and message) 
//   and builds a string that gets sent to your PHP script.  Change this function to
//   obtain whatever fields you want from your form.

function getquerystring() {
    var form     = document.forms['form1'];
    var prezdivka = form.prezdivka.value;
    var email = form.email.value;
    var heslo = form.heslo.value;
    var heslo2 = form.heslo2.value;
    qstr = 'prezdivka=' + escape(prezdivka) + '&email=' + escape(email) + '&heslo=' + escape(heslo) + '&heslo2=' + escape(heslo2); 
    return qstr;
}

function updatepage(str){
    document.getElementById("result").innerHTML = str;
}
function updatepage2(str){
    document.getElementById("result2").innerHTML = str;
}
function updatepage3(str){
    document.getElementById("result3").innerHTML = str;
}
function updatepage4(str){
    document.getElementById("result4").innerHTML = str;
}

function zobrazSkryj(idecko){
el=document.getElementById(idecko).style;
el.visibility=(el.visibility == 'visible')?'visible':'visible';
}

function Skryj(idecko){
el=document.getElementById(idecko).style;
el.visibility=(el.visibility == 'visible')?'hidden':'hidden';
}

function prenos(){
 f=document.form1.email;
 f.value=f.value+"@"; return;
}