function $(blok)
{
	return document.getElementById(blok);
}
function klasa(item,nazwa)
{
	item.className = nazwa;
}
function idzdo(adres)
{
	location.href = adres;
}
function popUp(URL) 
{
    day = new Date();
    id = day.getTime();
    eval("page"+id+" = window.open(URL, '"+id+"', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=846,height=608,left = 417,top = 221');");
}