if(document.images){
		imgoff1  = new Image();  imgoff1.src  = "images/menu_1.gif";
		imgon1  = new Image();  imgon1.src  = "images/menu_1a.gif";
		imgoff2  = new Image();  imgoff2.src  = "images/menu_2.gif";
		imgon2  = new Image();  imgon2.src  = "images/menu_2a.gif";
		imgoff3  = new Image();  imgoff3.src  = "images/menu_3.gif";
		imgon3  = new Image();  imgon3.src  = "images/menu_3a.gif";
		imgoff4  = new Image();  imgoff4.src  = "images/menu_4.gif";
		imgon4  = new Image();  imgon4.src  = "images/menu_4a.gif";
		imgoff5  = new Image();  imgoff5.src  = "images/menu_5.gif";
		imgon5  = new Image();  imgon5.src  = "images/menu_5a.gif";
		imgoff6  = new Image();  imgoff6.src  = "images/menu_6.gif";
		imgon6  = new Image();  imgon6.src  = "images/menu_6a.gif";
		imgoff7  = new Image();  imgoff7.src  = "images/menu_7.gif";
		imgon7  = new Image();  imgon7.src  = "images/menu_7a.gif";
		imgoff8  = new Image();  imgoff8.src  = "images/menu_8.gif";
		imgon8  = new Image();  imgon8.src  = "images/menu_8a.gif";
		imgoff9  = new Image();  imgoff9.src  = "images/menu_9a.gif";
		imgon9  = new Image();  imgon9.src  = "images/menu_9.gif";
		imgoff10  = new Image();  imgoff10.src  = "images/menu_10.gif";
		imgon10  = new Image();  imgon10.src  = "images/menu_10a.gif";
	}
	//**************************************************************************************************
	function wczytaj(kat){
		var gourl = kat.options[kat.selectedIndex].value;
		window.top.location.href = gourl;
	}
	//**************************************************************************************************
	var certyfikat = null;
	function cert(nazwa){
		nn4=(document.layers) ? true : false;
		ie4=(document.all) ? true : false;
		if(certyfikat){
			if(ie4){

				certyfikat.close();
			}
			else if(nn4){
				certyfikat.closed;
			}
			certyfikat=null;
		}
		adres = "php/powiekszenie.php?nazwa="+nazwa;
		certyfikat = window.open(adres,'ce','toolbar=no,scrollbars=no');
	}
	//**************************************************************************************************
	mail=null;
	function wyslij_mail(){
		nn4=(document.layers) ? true : false;
		ie4=(document.all) ? true : false;
		if(mail){
			if(ie4){
				mail.close();
			}
			else if(nn4){
				mail.closed;
			}
			mail=null;
		}
		adres = "php/mail.php";
		mail=window.open(adres, 'ml','toolbar=no,scrollbars=no,width=470,height=415');
		mail.moveTo(30,30);
	}