if (navigator.userAgent.indexOf("Opera")!=-1
    && document.getElementById) type="OP";
	if (document.all) type="IE";
	if (document.layers) type="NN";
	if (!document.all && document.getElementById) type="MO";
	
	
function widoczny(str) {	
  if (type=="IE") {
	document.all[str].style.display= 'block';
  }
  if (type=="NN") {
    document.layers[str].document.open();
    document.layers[str].document.write(tekst);
    document.layers[str].document.close();
	document.layer[str].style.display = 'block';
  }
  if (type=="MO" || type=="OP") {
    document.getElementById(str).style.display= 'block';
  }
}

function schowaj(str) {	
  if (type=="IE") {
	document.all[str].style.display= 'none';
  }
  if (type=="NN") {
    document.layers[str].document.open();
    document.layers[str].document.write(tekst);
    document.layers[str].document.close();
	document.layer[str].style.display = 'none';
  }
  if (type=="MO" || type=="OP") {
    document.getElementById(str).style.display= 'none';
  }
}

function zmien_font() {	
  if (type=="IE") {
	document.all['inMain'].style.fontSize = '100%';
	//document.all['div2'].style.fontSize = '100%';
  }
  if (type=="NN") {
    document.layers['inMain'].document.open();
    document.layers['inMain'].document.write(tekst);
    document.layers['inMain'].document.close();
	document.layer['inMain'].style.fontSize = '100%';
	//document.layers['div2'].document.open();
   // document.layers['div2'].document.write(tekst);
    //document.layers['div2'].document.close();
	//document.layer['div2'].style.fontSize = '100%';
  }
  if (type=="MO" || type=="OP") {
    document.getElementById('inMain').style.fontSize = '100%';
	//document.getElementById('div2').style.fontSize = '100%';
  }
}

function zmien_font1() {	
  if (type=="IE") {
	document.all['inMain'].style.fontSize = '110%';
	//document.all['div2'].style.fontSize = '110%';
  }
  if (type=="NN") {
    document.layers['inMain'].document.open();
    document.layers['inMain'].document.write(tekst);
    document.layers['inMain'].document.close();
	document.layer['inMain'].style.fontSize = '110%';
	
	//document.layers['div2'].document.open();
  // document.layers['div2'].document.write(tekst);
  //document.layers['div2'].document.close();
	//document.layer['div2'].style.fontSize = '110%';
  }
  if (type=="MO" || type=="OP") {
    document.getElementById('inMain').style.fontSize = '110%';
    //document.getElementById('div2').style.fontSize = '110%';
  }
}

function zmien_font2() {	
  if (type=="IE") {
	document.all['inMain'].style.fontSize = '120%';
	//document.all['div2'].style.fontSize = '120%';
  }
  if (type=="NN") {
    document.layers['inMain'].document.open();
    document.layers['inMain'].document.write(tekst);
    document.layers['inMain'].document.close();
	document.layer['inMain'].style.fontSize = '120%';
	
	//document.layers['div2'].document.open();
  //document.layers['div2'].document.write(tekst);
  //document.layers['div2'].document.close();
	//document.layer['div2'].style.fontSize = '120%';
  }
  if (type=="MO" || type=="OP") {
    document.getElementById('inMain').style.fontSize = '120%';
    //document.getElementById('div2').style.fontSize = '120%';
  }
}