function sendAjaxGet() {
    //var uname = document.getElementById('uname').value;
    //var email = document.getElementById('email').value;
    var fname = document.getElementById('fname').value;
    var lname = document.getElementById('lname').value;
    var password = document.getElementById("password").value;
    var confirm_password = document.getElementById("confirm_password").value;




    if(fname.length>20 || fname.length<3){
        event.preventDefault();
        alert("Name must be 3-20 characters");
        document.getElementById("fname").focus();
        return false;
    }else{
        if (!(/^[a-zA-Z]+$/.test(fname))){
            event.preventDefault();
            alert("Name must contain only letters");
            document.getElementById("fname").focus();
            return false;
        }
    }

    if(password !== confirm_password) {
        event.preventDefault();
        alert("Passwords not match");
        document.getElementById("password").focus();
        return false;
    }

    if(lname.length>20 || lname.length<4){
        event.preventDefault();
        alert("Last Name must be 4-20 characters");
        document.getElementById("lname").focus();
        return false;
    }else{
        if (!(/^[a-zA-Z]+$/.test(lname))){
            event.preventDefault();
            alert("Last Name must contain only letters");
            document.getElementById("lname").focus();
            return false;
        }
    }

    if(password.length<6 || password.length>10){
        event.preventDefault();
        alert("Password must be 6-20 characters");
        document.getElementById("password").focus();
        return false;
    }

    if(checkPasswordValidity(password)){
        sendAjaxPOST1();
    }
    return true;
}

function checkPasswordValidity(password){
    event.preventDefault();
    console.log("mphke sth for");
    var splChars = /[*|,\":<>{}`\';()@&$#%]/;
            if (!(splChars.test(password))){
                console.log("mphke sth if1");
                event.preventDefault();
                alert("Password must contain at least one letter,one number and one symbol");
                document.getElementById("password").focus();
                return false;
            }
            if(!(/[a-zA-Z]/.test(password))){
                console.log("mphke sth if2");
                event.preventDefault();
                alert("Password must contain at least one letter,one number and one symbol");
                document.getElementById("password").focus();
                return false;
            }
            if(!(/[0-9]/.test(password))){
                console.log("mphke sth if3");
                event.preventDefault();
                alert("Password must contain at least one letter,one number and one symbol");
                document.getElementById("password").focus();
                return false;
            }