function ie_version()
{
var b_version=navigator.appVersion;
	if (b_version.indexOf('MSIE 6.0')!=-1){
	$('pasek_dol').set('styles', {'visibility': 'hidden'});
	} else {
	return false;
	}
}

function ge(a){ return document.getElementById(a); }
function mshow(a){ ge(a).style.display = 'block'; }
function mhide(a){ ge(a).style.display = 'none'; }



function hide_all()
{
	for (i=1;i<=ilosc_eltow;i++) // ukrywamy wszytko na starcie oprocz wyszczegolnionego
	{
		if (odkryty!=i && $('sub_'+i) != null){
		var myVerticalSlide = new Fx.Slide('sub_'+i);
		myVerticalSlide.hide();
		}
	}
}
function on_off(item, sub)
{
var myVerticalSlide = new Fx.Slide(sub);
myVerticalSlide.toggle();
		if(ge(item).style.backgroundImage=="url(img/button_background.jpg)") ge(item).style.backgroundImage="url(img/button_background_down_arrow.jpg)";
		else ge(item).style.backgroundImage="url(img/button_background.jpg)";
return false;
}