// ------------------------------------------
function el(ID) {
  return document.getElementById(ID);
}

// ------------------------------------------
function showPhoto(obrazek) {
  var width  = 300;
  var height = 300;
  var left = parseInt(screen.width/2-width/2);
  var top  = parseInt(screen.height/2-height/2);
  noweOknoPopup = window.open('showPhoto.php?obrazek='+obrazek,'PopupImg','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=auto,resizable=0,copyhistory=0,left='+left+',top='+top+',width='+width+',height='+height);
  noweOknoPopup.focus();
}

// ------------------------------------------
function showPopupWindow(link,width,height) {
  width  = (!width || width==0) ? 520 : width;
  height = (!height || height==0) ? 500 : height;
  var left = parseInt(screen.width/2-width/2);
  var top  = parseInt(screen.height/2-height/2);
  noweOknoPopup = window.open(link,'PopupWin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,copyhistory=0,left='+left+',top='+top+',width='+width+',height='+height);
  noweOknoPopup.focus();
}

// ------------------------------------------
function pobierzPlik(plik) {
//   var left = parseInt(screen.width/2-150);
//   var top  = parseInt(screen.height/2-150);
  noweOknoPopup = window.open('index.php?download/'+plik,'DownloadWin','');

}

//---------------------------------
function replace(s, t, u) {
// s  string
// t  zamien co
// u  zamien  na
  i = s.indexOf(t);
  r = "";
  if (i == -1) return s;
  r += s.substring(0,i) + u;
  if ( i + t.length < s.length)
    r += replace(s.substring(i + t.length, s.length), t, u);
  return r;
}//function

//---------------------------------
//pokaz/ukryj wiersz tabeli
function showTableRow(id) {
var myElem = document.getElementById(id);

  try {
    myElem.style.display = 'table-row';
  }
  catch(e) {
    myElem.style.display = 'inline';
  }
}
function hideTableRow(id) {
var myElem = document.getElementById(id);
  myElem.style.display = 'none';
}

//---------------------------------
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

//---------------------------------
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//---------------------------------
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

//---------------------------------
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//---------------------------------
//funkcje do obslugi pol combo
// $combo_nr','$k','$w','$nazwa')
function setComboValue(combo_nr,val,text,pole) {
  document.getElementById(pole).value = val;
  document.getElementById('combo_text_'+combo_nr).innerHTML = text;
  hideCombos();
}
function showCombo(nr) {
  hideCombos();
  document.getElementById('combo_'+nr).style.visibility = 'visible';
}
var combos = false;
function hideCombos() {
  if (!combos)
    combos = document.getElementsByTagName('DIV');
  for (i=0;i<combos.length;i++) {
    if (combos[i].id.indexOf('combo_')!=-1)
      combos[i].style.visibility = 'hidden';
  }
}

document.onclick=function(){hideCombos()}