// JavaScript Document
function nph_open_window(url, name, feature)
{
    window.open(url, name, feature);
}
// uproszczona funkcja otwierania nowego okna
// przewidziana do otwierania obrazka w nowych oknie
// autor: Gabriela Leoniec, 2007
function open_window(url, width, height)
{
	window.open(url, '', 'width='+width+',height='+height+',toolbar=no,menubar=no,status=no,scrollbars=no,resizable=yes');

}
function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
	toolbar_str = toolbar ? 'yes' : 'no';
	menubar_str = menubar ? 'yes' : 'no';
	statusbar_str = statusbar ? 'yes' : 'no';
	scrollbar_str = scrollbar ? 'yes' : 'no';
	resizable_str = resizable ? 'yes' : 'no';
	
	cookie_str = document.cookie;
	cookie_str.toString();
	
	pos_start  = cookie_str.indexOf(name);
	pos_end    = cookie_str.indexOf('=', pos_start);
	
	cookie_name = cookie_str.substring(pos_start, pos_end);

	pos_start  = cookie_str.indexOf(name);
	pos_start  = cookie_str.indexOf('=', pos_start);
	pos_end    = cookie_str.indexOf(';', pos_start);

	if (pos_end <= 0) {
		pos_end = cookie_str.length;
	};
	cookie_val = cookie_str.substring(pos_start + 1, pos_end);

	if (cookie_name == name && cookie_val  == "done"){
		return;
	};
	
	window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}
function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();

  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length-1; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;

  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);

  if (name == '')
    return;

  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}