function ChangeFontSize(id, size) {
		document.getElementById(id).style.fontSize = size + "px";
	}

	function mn_expand(element1, element2) {
		if(document.getElementById(element2).style.display == 'none')
		{
			element1.innerHTML = '-';
			document.getElementById(element2).style.display = 'table-row';
		}
		else
		{
			document.getElementById(element2).style.display = 'none';
			element1.innerHTML = '+';
		}
	}
	
	function mn_shrink(element1) {
		document.getElementById(element1).style.display = 'none';
	}
	
	function mn_hide() {
		if(navigator.appName != "Microsoft Internet Explorer") {
			var elements = document.getElementsByName("rozwijane");
			for(i=0; i<elements.length; i++)
			{
				elements.item(i).style.display = 'none';
			}
		}
		else if(navigator.appName == "Microsoft Internet Explorer") {
			if(typeof(window.external) != 'undefined' && document.attachEvent) {
				var name="rozwijane";
				var tag="div";
				var elems=document.getElementsByTagName(tag);
				for(i=0;i<elems.length;i++){
					var att = elems[i].getAttribute('name');
					if(att == name) elems.item(i).style.display = 'none';
				}
			}
		}
	}
	
	function mn_unhide() {
		if(navigator.appName != "Microsoft Internet Explorer") {
			var elements = document.getElementsByName("rozwijane");
			for(i=0; i<elements.length; i++)
			{
				elements.item(i).style.display = 'block';
			}
		}
		else if(navigator.appName == "Microsoft Internet Explorer") {
			if(typeof(window.external) != 'undefined' && document.attachEvent) {
				var name="rozwijane";
				var tag="div";
				var elems=document.getElementsByTagName(tag);
				for(i=0;i<elems.length;i++){
					var att = elems[i].getAttribute('name');
					if(att == name) elems.item(i).style.display = 'block';
				}
			}
		}
	}
	
	function mn_rozwin(nazwa) {
		el = nazwa.nextSibling;
		if(navigator.appName != "Microsoft Internet Explorer")
		el = el.nextSibling;
		if (el.currentStyle)
			var y = el.currentStyle['display'];
		else if (window.getComputedStyle)
			var y = document.defaultView.getComputedStyle(el,null).getPropertyValue('display');
		if(y=='block') {
			el.style.display='none';
			nazwa.getElementsByTagName("span").item(0).innerHTML="+";
		}
		else {
			el.style.display='block';
			nazwa.getElementsByTagName("span").item(0).innerHTML="-";
		}
	}