function popPrint() {


rExp = "#projekt";
newString = new String ("")


  if (document.location.href.indexOf("?") > 0) {
  	myString = new String(document.location)
  	results = myString.replace(rExp, newString)
  
  window.open(results + "&printmode=true",'kwadraty','toolbar=no,location=no,directories=no,scrollbars=yes,menubar=no,resizable=no ,status=yes,height=400,width=700');
  } else {
    myString = new String(document.location)
 	results = myString.replace(rExp, newString)
   	window.open(results + "?printmode=true",'kwadraty','toolbar=no,location=no,directories=no,scrollbars=yes,menubar=no,resizable=no ,status=yes,height=400,width=700');
  }
}

function Historia()
{
		//alert ("kliknieta");
		history.go(-1);
}
function show_subitems(category) {
	var divs = document.getElementsByTagName('div');
	for (var i = 0; i < divs.length; i++) {
		if (divs[i].id.substr(0, 12)=='catelements_') {
			if (divs[i].id=='catelements_'+category) {
				if (divs[i].style.display=='none') {
					document.getElementById('cat_'+category).className='leftmenu_item_a';
					document.getElementById('cata_'+category).className='leftmenu_item_a';
					divs[i].style.display='block';
				} else {
					document.getElementById('cat_'+category).className='leftmenu_item';
					document.getElementById('cata_'+category).className='leftmenu_item';
					divs[i].style.display='none';
				}
			} else {
				divs[i].style.display='none';
				document.getElementById('cat_'+divs[i].id.replace('catelements_', '')).className='leftmenu_item';
				document.getElementById('cata_'+divs[i].id.replace('catelements_', '')).className='leftmenu_item';
			}
		}
	}
}

function show_subitems_uczniowie(category) {

	var divs = document.getElementsByTagName('div');
	for (var i = 0; i < divs.length; i++) {
		if (divs[i].id.substr(0, 12)=='catelements_') {
			if (divs[i].id=='catelements_'+category) {
				if (divs[i].style.display=='none') {
					divs[i].style.display='block';
				} else {
					divs[i].style.display='none';
				}
			} else {
				//divs[i].style.display='none';
			}
		}
	}
}