$(document).ready(function() {
    $('#return').click(function(){
        history.back();
        return false;    
    });

    var passw = $('#password');
    var email = $('#email')
    var storeEm, storePas;

    passw.focusin(function(){
        storePas = $(this).val();
        $(this).val('');
    });
    
    passw.focusout(function(){
        if($(this).val() == '') {
            $(this).val(storePas);
        }
    });
    
    email.focusin(function(){
        storeEm = $(this).val();
        $(this).val('');
    });
    
    email.focusout(function(){
        if($(this).val() == '') {
            $(this).val(storeEm);
        }
    });
})