function removeElement(divNum) 
	{
		var olddiv = document.getElementById(divNum);
		document.body.removeChild(olddiv);
	}
	
	function pokazMenu(zawid, catid)
	{
		if (document.getElementById(zawid).style.display == 'none') 
		{
			document.getElementById(zawid).style.display = 'block';
			document.getElementById(catid).style.background = 'url(_images/' + catid + '_red.gif) no-repeat';
		}
		else 
		{
			document.getElementById(zawid).style.display = 'none';
			document.getElementById(catid).style.background = 'url(_images/' + catid + '.gif) no-repeat';
		}
	}
	
	function pokazPozycje(zawid)
	{
		schowajMenu();
		
		if (document.getElementById(zawid).style.display == 'none') document.getElementById(zawid).style.display = 'block';
		else document.getElementById(zawid).style.display = 'none';
	}
	
	function getElementsByClassName(oElm, strTagName, strClassName)
	{	
		var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
		var arrReturnElements = new Array();
		strClassName = strClassName.replace(/-/g, "\-");
		var oRegExp = new RegExp("(^|\s)" + strClassName + "(\s|$)");
		var oElement;
		for(var i=0; i<arrElements.length; i++)
		{
			oElement = arrElements[i];
			if(oRegExp.test(oElement.className))
			{
				arrReturnElements.push(oElement);
			}
		}
		
		return (arrReturnElements)
	}
	
	function schowajMenu()
	{
  		var objectsM = getElementsByClassName(document, "*", 'menu_kat_kon');
	
		for(var i=0; i<objectsM.length; i++)
		{
			objectsM[i].style.display = 'none';
		}
	}
	
	function pokazRez()
	{
		var arrayPageSize = getPageSize();
		setWidthL('overlay_rez', arrayPageSize[0]);
		setHeightL('overlay_rez', arrayPageSize[1]);
		hideSelectBoxes()
		
		document.getElementById("top_flash").style.display = 'none';

		document.getElementById("overlay_rez").style.display = 'block';
		//new Effect.Appear('overlay_rez', { duration: overlayDuration, from: 0.0, to: overlayOpacity });
		
		var arrayPageScroll = getPageScroll();
		var rezTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		Element.setTop('rezerwacja_pop', rezTop);
		document.getElementById("rezerwacja_pop").style.display = 'block';
	}
	
	function zamknijRez()
	{
		document.getElementById("rezerwacja_pop").style.display = 'none';
		
		document.getElementById("top_flash").style.display = 'block';
		
		document.getElementById("overlay_rez").style.display = 'none';
		//new Effect.Fade('overlay_rez', { duration: overlayDuration});
		
		showSelectBoxes();
	}