var wybrana, strona;

 
	function mg_zmien(co) {
//	document.getElementById("filmy_okno").innerHTML = screen.width + "x" + screen.height;
		if (strona != 1) {
			if (co == '1a') { document.getElementById("mg_kamienie").style.background = '#583A15'; }
			if (co == '1b') { document.getElementById("mg_kamienie").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_kamienie").style.background = '#583A15';
		}
	
		if (strona != 2) {
			if (co == '2a') { document.getElementById("mg_rzezby").style.background = '#583A15'; }
			if (co == '2b') { document.getElementById("mg_rzezby").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_rzezby").style.background = '#583A15';
		}
		
		if (strona != 3) {
			if (co == '3a') { document.getElementById("mg_plyty").style.background = '#583A15'; }
			if (co == '3b') { document.getElementById("mg_plyty").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_plyty").style.background = '#583A15';
		}

		if (wybrana == 162) {
			document.getElementById("mg_impregnaty").style.background = '#583A15';
		} else if (strona != 4) {
		  if (co == '4a') { document.getElementById("mg_impregnaty").style.background = '#583A15'; }
			if (co == '4b') { document.getElementById("mg_impregnaty").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_impregnaty").style.background = '#583A15';
		}

		if (strona != 5) {
			if (co == '5a') { document.getElementById("mg_narzedzia").style.background = '#583A15'; }
			if (co == '5b') { document.getElementById("mg_narzedzia").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_narzedzia").style.background = '#583A15';
		}
		
		if (strona != 6) {
			if (co == '6a') { document.getElementById("mg_forum").style.background = '#583A15'; }
			if (co == '6b') { document.getElementById("mg_forum").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_forum").style.background = '#583A15';
		}

		if (strona != 7) {
			if (co == '7a') { document.getElementById("mg_galeria").style.background = '#583A15'; }
			if (co == '7b') { document.getElementById("mg_galeria").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_galeria").style.background = '#583A15';
		}
		
		if (wybrana != 154) {
			if (co == '8a') { document.getElementById("mg_praca").style.background = '#583A15'; }
			if (co == '8b') { document.getElementById("mg_praca").style.background = 'transparent'; }
		} else {
			document.getElementById("mg_praca").style.background = '#583A15';
		}
		
		if (wybrana != 2) {
			if (co == 'ml1a') { document.getElementById("ml1").src = 'ui/menu/ml_ofirmie_b.jpg'};
			if (co == 'ml1b') { document.getElementById("ml1").src = 'ui/menu/ml_ofirmie.jpg'};
		} else {
			document.getElementById("ml1").src = 'ui/menu/ml_ofirmie_b.jpg';
		}
		
		if (wybrana != 5) {
			if (co == 'ml2a') { document.getElementById("ml2").src = 'ui/menu/ml_wspolpraca_b.jpg' };
			if (co == 'ml2b') { document.getElementById("ml2").src = 'ui/menu/ml_wspolpraca.jpg'};
		} else {
			document.getElementById("ml2").src = 'ui/menu/ml_wspolpraca_b.jpg';
		}

		if (wybrana != 3) {
			if (co == 'ml3a') { document.getElementById("ml3").src = 'ui/menu/ml_kontakt_b.jpg'};
			if (co == 'ml3b') { document.getElementById("ml3").src = 'ui/menu/ml_kontakt.jpg'};
		} else {
			document.getElementById("ml3").src = 'ui/menu/ml_kontakt_b.jpg';
		}

		if (wybrana != 4) {
			if (co == 'ml4a') { document.getElementById("ml4").src = 'ui/menu/ml_napisz_b.jpg'};
			if (co == 'ml4b') { document.getElementById("ml4").src = 'ui/menu/ml_napisz.jpg'};
		} else {
			document.getElementById("ml4").src = 'ui/menu/ml_napisz_b.jpg';
		}
		
		if (wybrana != 168) {
			if (co == 'ml5a') { document.getElementById("ml5").src = 'ui/menu/ml_informacje_b.jpg' };
			if (co == 'ml5b') { document.getElementById("ml5").src = 'ui/menu/ml_informacje.jpg' };
		} else {
			document.getElementById("ml5").src = 'ui/menu/ml_informacje_b.jpg';
		}
		
		if (wybrana != 6) {
			if (co == 'ml6a') { document.getElementById("ml6").src = 'ui/menu/ml_platnosci_b.jpg'};
			if (co == 'ml6b') { document.getElementById("ml6").src = 'ui/menu/ml_platnosci.jpg'};
		} else {
			document.getElementById("ml6").src = 'ui/menu/ml_platnosci_b.jpg';
		}

		if (wybrana != 202) {
			if (co == 'ml7a') { document.getElementById("ml7").src = 'ui/menu/ml_terminy_b.jpg'};
			if (co == 'ml7b') { document.getElementById("ml7").src = 'ui/menu/ml_terminy.jpg'};
		} else {
			document.getElementById("ml7").src = 'ui/menu/ml_terminy_b.jpg';
		}
		
		if (wybrana != 160) {
			if (co == 'ml8a') { document.getElementById("ml8").src = 'ui/menu/ml_regulamin_b.jpg'};
			if (co == 'ml8b') { document.getElementById("ml8").src = 'ui/menu/ml_regulamin.jpg'};
		} else {
			document.getElementById("ml8").src = 'ui/menu/ml_regulamin_b.jpg'
		}
		
	}
	
	function ped(myspan) {
		myspan.style.background = '#ddd';
		myspan.style.border = '1px solid #f00';
	}
	function ued(myspan) {
		myspan.style.background = 'transparent';
		myspan.style.border = '0px';
	}
	/* funkcje kalkulatora balustrad */
	function zaznacz_on(warstwa) {
		warstwa.style.border = '1px solid #000';
	}
	function zaznacz_off(warstwa) {
		warstwa.style.borderTop    = '1px solid #fff';
		warstwa.style.borderRight  = '0';
		warstwa.style.borderBottom = '1px solid #fff';
		warstwa.style.borderLeft   = '0';
	}
	
  function zamknij(co) {
		document.getElementById(co).style.visibility = 'hidden';
	}