window.addEvent('domready', function() {
    $$('input').addEvent('focus', function(event){
        if (this.name == 'country') {
            $('field_title').set('text', 'Country:');
            $('field_explanation').set('html', 'Optionaly. Provide name of your country. It will appear in your profile.');
        }
        if (this.name == 'username') {
            $('field_title').set('text', 'Username:');
            $('field_explanation').set('html', 'Any combinations of any characters, you even can use your natinal alphabet. For example: <i>John Doe, Вася Пупкин</i>.');
        }
        if (this.name == 'jabber') {
            $('field_title').set('text', 'Jabber:');
            $('field_explanation').set('html', 'Optionaly. To allow users to contact with you, please provide your jabber address. It will appear in your profile');
        }
    });
    $$('textarea').addEvent('focus', function(event){
        if (this.name == 'about') {
            $('field_title').set('text', 'About:');
            $('field_explanation').set('html', 'Optionaly. You can write couple lines about yourself.');
        }
    });
});