function oWin(o) {
    open(o.href, '', '')
    return false;
  }

  function getElm(id) {
    return document.getElementById(id);
  }

  function windowHeight() {
    if (typeof window.innerHeight == 'number') {
      return innerHeight;
    }
    var h = document.getElementsByTagName('html')[0];
    var t = navigator.appVersion.indexOf('MSIE') > 0 ? 4 : 0;
    return h.offsetHeight - t;
  }

  function setConSize() {
    var con = getElm('container');
    var wHeight = windowHeight();
    var header = getElm('header'), footer = getElm('footer');
    con.style.height = 'auto'; 
    var cH = con.offsetHeight;
    if (header.offsetHeight + cH + footer.offsetHeight < wHeight) { 
      con.style.height = (wHeight - header.offsetHeight - footer.offsetHeight) + 'px';
    }
  }

  function setColSize() {
    var right = getElm('right');
    var main = getElm('main');
    var tmp = right.offsetWidth;
    var leftCont = getElm('left-container');
    leftCont.style.marginRight = (- tmp) + 'px';
    main.style.marginRight = tmp + 'px';
    right.style.width = tmp + 'px';
    //--
    var left = getElm('left-div');
    var wHeight = windowHeight();
    var main = getElm('main'), right = getElm('right');
    var header = getElm('header'), footer = getElm('footer');
    left.style.height = 'auto';
    var cH = Math.max(left.offsetHeight, main.offsetHeight, right.offsetHeight);
    if (header.offsetHeight + cH + footer.offsetHeight < wHeight) { 
      left.style.height = (wHeight - header.offsetHeight - footer.offsetHeight) + 'px';
    }
    else if (left.offsetHeight < cH) { 
      left.style.height = cH + 'px';
    }
  }

  onload = function() { 
    var header = getElm('header');
    var headerBox = getElm('header-box');
    headerBox.style.height = header.offsetHeight + 'px';
    var left = getElm('left-div'), right = getElm('right');
    if (left && right) {
      onresize = setColSize;
      setColSize();
    }
    else {
      onresize = setConSize;
      setConSize();
    }
  }

  dodajogloszenie_over=new Image(131, 20);
  dodajogloszenie_over.src="images/dodajogloszenieover.gif";
  dodajogloszenie_off=new Image(131, 20);
  dodajogloszenie_off.src="images/dodajogloszenie.gif";
		        
  panel_over=new Image(130, 20);
  panel_over.src="images/paneluzytkownikaover.gif";
  panel_off=new Image(130, 20);
  panel_off.src="images/paneluzytkownika.gif";
				
  wyloguj_over=new Image(81, 20);
  wyloguj_over.src="images/wylogujover.gif";
  wyloguj_off=new Image(81, 20);
  wyloguj_off.src="images/wyloguj.gif";

  function ActiveOverImage(ImageName) {
    var imgActive = eval(ImageName + "_over.src");
    document.getElementById(ImageName).src = imgActive;
  }

  function InActiveImage(ImageName) {       
    var imgInActive = eval(ImageName + "_off.src");
    document.getElementById(ImageName).src = imgInActive;
  }