function newImage(arg)
{
    if (document.images)
    {
	rslt = new Image();
	    rslt.src = arg;
	    return rslt;
    }
}

function changeImages()
{
    if (document.images && (preloadFlag == true))
    {
	for (var i=0; i<changeImages.arguments.length; i+=2)
	{
	    document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
	}
    }
}

var preloadFlag = false;
function preloadImages()
{
    if (document.images)
    {
	gomb_hu_az_onkentessegrol_over = newImage("/kepek/menu/gomb_hu_az_onkentessegrol-over.gif");
	gomb_hu_a_planetrol_over = newImage("/kepek/menu/gomb_hu_a_planetrol-over.gif");
	gomb_hu_onkentes_lehetosegek_over = newImage("/kepek/menu/gomb_hu_onkentes_lehetosegek-over.gif");
	gomb_hu_tagok_over = newImage("/kepek/menu/gomb_hu_regisztracio-over.gif");
	gomb_hu_forum_over = newImage("/kepek/menu/gomb_hu_forum-over.gif");
	preloadFlag = true;
    }
}