document.observe('dom:loaded', function() {
    //tips
    $$('*.tip[alt]').each(function(el){
        el.observe('mouseover', show_tip.bindAsEventListener(el))
    }, this);

    $$('*.tip[alt]').each(function(el){
        el.observe('mouseout', hide_tip.bindAsEventListener(el))
    }, this);
    
    $$('a.confirm').each(function(el){
        el.observe('click', ask.bindAsEventListener(el))
    }, this);	
	
	/*
    var oknoKomplet = 0;
    if (self.innerHeight)
    {
            oknoKomplet = self.innerWidth;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
    {
            oknoKomplet = document.documentElement.clientWidth;
    }
    else if (document.body)
    {
            oknoKomplet = document.body.clientWidth;
    }
    var oknoWithLayout = document.viewport.getWidth();
    if(oknoWithLayout == oknoKomplet){
        var pulka = (oknoKomplet-1000)/2;
    } else {
        var pulka = (oknoKomplet-1000)/2;
    }
   $('layout').setStyle({left: pulka+'px'});
   */
});

function show_tip(ev)
{
    var tip = Builder.node('div', {
                            style:  'display:none;position:absolute;',
                            id: 'tip'
            },Builder.node('p',this.readAttribute('alt')));
    $('layout').appendChild(tip);
    Element.clonePosition(tip,this,{ offsetTop:-25, setHeight: false});
    Element.show('tip');
    ev.stop();
}

function hide_tip(ev)
{
    ev.stop();
    Element.remove('tip');
}