//pokazuje i ukrywa rejestr zmian
function pokazRejestr(obj) {
	rejestr_id = obj.id + "_tresc";
	if ( $(obj.id).innerHTML == 'Ukryj rejestr zmian' ) {
		$(obj.id).update('Pokaż rejestr zmian');		
	}
	else {
		$(obj.id).update('Ukryj rejestr zmian');	
	}
	$(rejestr_id).toggle();
}


//funcja otwierająca okno
function aTarget(el, name, w, h)
{
 if(window.screen) {
  aw = screen.availWidth;
  ah = screen.availHeight;
 } else {
  aw = 1024;
  ah = 768;
 }
 
 settings =
        "left="+(aw-w)/2+","
        +"top="+(ah-h)/2+","
        +"screenX="+(aw-w)/2+","
        +"screenY="+(ah-h)/2+","
        +"width="+w+","
        +"height="+h+","
        +"toolbar=no,"
        +"location=no,"
        +"directories=no,"
        +"status=no,"
        +"menubar=no,"
        +"scrollbars=yes,"
        +"resizable=yes";
 var wnd = window.open(typeof el == 'string' ? el : el.getAttribute('href'), typeof name != 'undefined' ? name : '', settings);
 if (!wnd) return false;
 wnd.focus();
 return true;
}


//menu lewe
function over(obj) {
	obj.className = 'pos_over';
}

function out(obj) {
	obj.className = 'pos';
}