/********************************************/
/* BIBLIOTEKA Cross-Browser DHTML           */
/* wersja 3.0          1999-10-22           */
/********************************************/
/* onFocus Dynamic Web Design               */
/* Ania Kręglewska, Paweł Postupalski       */
/* mailto:onfocus@webmedia.pl               */
/* http://www.onfocus.com.pl                */
/********************************************/
/* Ta biblioteka moze byc wykorzystywana    */
/* bez zadnych ograniczen pod warunkiem     */
/* nie usuniecia tego naglowka.             */
/********************************************/

/*************************/
/* Detekcja przegladarki */
/*************************/
nn4=(document.layers)?true:false;
ie4=(document.all)?true:false;
//niemac=(navigator.appVersion.indexOf("Macintosh")==-1);
//ie4=ie4 && niemac;

/*********************************/
/* Poniższy fragment pozwala     */
/* uniknąć kłopotów przy zmianie */
/* rozmiarów okna w NN           */
/*********************************/
if(nn4) {
  _oknoW = window.innerWidth;
  _oknoH = window.innerHeight;
}
function reDo() {
  if(window.innerWidth != _oknoW || window.innerHeight != _oknoH) { 
    window.location.reload();
  }
}
// poniższą linijkę przepisz do dokumentu!!!
if(nn4){window.onresize = reDo;}

/*************************/
/* Pokaz blok 'ident'    */
/*************************/
function show(ident,nest) {
  if(nn4) {  
    nest ? document.layers[nest].document.layers[ident].visibility = "show" : document.layers[ident].visibility = "show";
  } else if(ie4) {  
    document.all[ident].style.visibility = "visible";
  }
}

/*************************/
/* Ukryj blok 'ident'    */
/*************************/
function hide(ident,nest) {
  if(nn4) {  
    nest ? document.layers[nest].document.layers[ident].visibility = "hide" : document.layers[ident].visibility = "hide";
  } else if(ie4) {
    document.all[ident].style.visibility = "hidden";
  }
}

/****************************************/
/* Przesun blok 'ident' do punktu (x,y) */
/****************************************/
function moveTo(ident,x,y,nest) {
  if(nn4) {
    nest ? document.layers[nest].document.layers[ident].left = x : document.layers[ident].left = x;
    nest ? document.layers[nest].document.layers[ident].top = y : document.layers[ident].top = y;
  } else if(ie4) {
    document.all[ident].style.left = x;
    document.all[ident].style.top = y;
  }
}

/*****************************************/
/* Przesun blok 'ident' o wektor [dx,dy] */
/*****************************************/
function moveBy(ident,dx,dy,nest) {
  if(nn4) {
    nest ? document.layers[nest].document.layers[ident].left += dx : document.layers[ident].left += dx;
    nest ? document.layers[nest].document.layers[ident].top += dy : document.layers[ident].top += dy;
  } else if(ie4) {
    document.all[ident].style.left = document.all[ident].offsetLeft + dx;
    document.all[ident].style.top = document.all[ident].offsetTop + dy;
  }
}

/************************************************/
/* Przytnij blok 'ident' do zadanego prostokata */
/*     t: top, r: right, b: bottom, l:left      */
/************************************************/
function clipTo(ident, t, r, b, l,nest) {
  if(nn4) {
    if(nest) {
      document.layers[nest].document.layers[ident].clip.top = t;
       document.layers[nest].document.layers[ident].clip.right = r;
       document.layers[nest].document.layers[ident].clip.bottom = b;
       document.layers[nest].document.layers[ident].clip.left = l;
    } else {
      document.layers[ident].clip.top = t;
       document.layers[ident].clip.right = r;
       document.layers[ident].clip.bottom = b;
       document.layers[ident].clip.left = l;
    }
  } else if(ie4) {
     document.all[ident].style.clip = 
    "rect(" + t + " " + r + " " + b + " " + l + ")";
  }
}

/****************************************************/
/* Zmien przyciecie bloku 'ident' o zadane wartosci */
/*     t: top, r: right, b: bottom, l:left          */
/****************************************************/
function clipBy(ident, t, r, b, l,nest) {
  if(nn4) {
    if(nest) {
      document.layers[nest].document.layers[ident].clip.top += t;
      document.layers[nest].document.layers[ident].clip.right += r;
      document.layers[nest].document.layers[ident].clip.bottom += b;
      document.layers[nest].document.layers[ident].clip.left += l;
    } else {
      document.layers[ident].clip.top += t;
      document.layers[ident].clip.right += r;
      document.layers[ident].clip.bottom += b;
      document.layers[ident].clip.left += l;
    }
  } else if(ie4) {
    ie_clip = document.all[ident].style.clip;
    ie_clip = ie_clip.substring(5, ie_clip.length-1);
    ie_clip_wart = ie_clip.split("px");
    t += parseInt(ie_clip_wart [0]);
    r += parseInt(ie_clip_wart [1]);
    b += parseInt(ie_clip_wart [2]);
    l += parseInt(ie_clip_wart [3]);  
    document.all[ident].style.clip = "rect(" + t + "px " + r + "px " + b + "px " + l + "px)";
  }
}

/*************************************************************/
/* Zapisz pozycje bloku 'ident' do zmiennych l: left, t: top */
/*************************************************************/
function pozycja(ident,nest) {
  if(nn4) {
    l = nest ? document.layers[nest].document.layers[ident].left : document.layers[ident].left;
    t = nest ? document.layers[nest].document.layers[ident].top : document.layers[ident].top;
	alert (l +", "+t);
  } else if(ie4) {
/*    l = document.all[ident].offsetLeft;
    t = document.all[ident].offsetTop; */
    l = document.all[ident].offsetLeft;
    t = document.all[ident].offsetTop; 
//	alert (l +", "+t);
  }
}

/******************************************************/
/* Zapisz wysokosc bloku 'ident' do zmienej h: height */
/******************************************************/
function wysokosc(ident,nest) {
  if(nn4) {
    h = nest ? document.layers[nest].document.layers[ident].document.height : document.layers[ident].document.height;
  } else if(ie4) {
    h = document.all[ident].scrollHeight;  
  }
  return h;
}

  
/*********************************/
/* Zmien zawartosc bloku 'ident' */
/*********************************/
function writeTo(ident, tekst, nest) {
  if(nn4) {
    if(nest) {
      document.layers[nest].document.layers[ident].document.open();
      document.layers[nest].document.layers[ident].document.write(tekst);
      document.layers[nest].document.layers[ident].document.close();
    } else {
      document.layers[ident].document.open();
      document.layers[ident].document.write(tekst);
      document.layers[ident].document.close();    
    }
  } else if(ie4) {
    document.all[ident].innerHTML = tekst;
  }
}

/****************************************/
/* Zmien wartosc z-indexu bloku 'ident' */
/****************************************/
function zmienZindex(ident, z, nest) {
  if(nn4) {
		if(nest) {
	    document.layers[nest].document.layers[ident].zIndex=z;
		} else {
			document.layers[ident].zIndex=z;
		}
  } else if(ie4) {
    document.all[ident].style.zIndex=z;
  }
}

/****************************************/
/* Sprawdz rozmiary okna                */
/*   oknoW: dostepna szerokosc          */
/*   oknoH: dostepna wysokosc           */
/* UWAGA: funkcja przestarzała,         */
/* nalezy stosować f. rozmiaryOkna()    */
/****************************************/
function okno(){
  if(nn4){
    oknoW=window.innerWidth-16;
    oknoH=window.innerHeight
  }else if(ie4){
    oknoW=document.body.clientWidth;
    oknoH=document.body.clientHeight;
  }
}

/****************************************/
/* Sprawdz rozmiary okna                */
/*   oknoW: dostepna szerokosc          */
/*   oknoH: dostepna wysokosc           */
/****************************************/
function rozmiaryOkna(suwaki) {
 if(nn4){
  oknoW=window.innerWidth - (suwaki?16:0);
  oknoH=window.innerHeight
 }else if(ie4){
  oknoW=document.body.clientWidth;
  oknoH=document.body.clientHeight;
 }
}