function myFunction() {
             var msg = "";

             var userName = document.getElementById("TxtUserName").value;
             var name = document.getElementById("TxtName").value;
             var year = document.getElementById("year").value;
             var password = document.getElementById("Password1").value;
             var password2 = document.getElementById("Password2").value;
             if(userName.length<3)
             {
                msg+= "the user name must be 3 characters at least.\n";
             }
             if(password !=password2)
             {
                msg+="the passwords don't match.\n";
             }
             if (!password.includes(1 || 2 || 3 || 4 || 5 || 6 || 7 || 8 || 9 || 0)) {
                 msg += "There must be numbers in your password!"
             }
             if (!password2.includes(1 || 2 || 3 || 4 || 5 || 6 || 7 || 8 || 9 || 0)) {
                 msg += "There must be numbers in your password!"
             }
             if (name <= 2)
             {
                 msg+="the name must be at lest 2 characters.\n"
             }
             if (name.includes(1 || 2 || 3 || 4 || 5 || 6 || 7 || 8 || 9 || 0))
             {
                 msg += "You must inculde only letters in your name!"
             }
             if ((year < 1998) || (year > 2003))
             {
                 msg+="you can't get in.\n"
             }

             if (msg == "")
             {
                 msg += "You're Welcome!"
             }
             alert(msg);
         }