function hf_czat(hf_link){
	var szerokosc = screen.availWidth - 100;
	var wysokosc = screen.availHeight - 100;
	window.open(hf_link,'hf_czat_window','directories=no,height=' + wysokosc + ',left=0,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,top=0,width=' + szerokosc);
}
function hf_czat_priv(hf_link,hf_czat_win){
	window.open(hf_link,hf_czat_win,'directories=no,height=300,left=0,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,top=0,width=400');
}
function hf_send_to_mobile(hf_link){
	window.open(hf_link,'hf_send_to_mobile_window','directories=no,height=500,left=0,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,top=0,width=500');
}