var bOn = new Array(1);
		var bOff = new Array(9);
		
		if (document.images) {
	
				 bOn[0] = new Image(); bOn[0].src = "images/map/bgkarta_bu.gif";
			 bOff[0] = new Image(); bOff[0].src = "images/map/bgkarta.gif";
						
				 bOn[1] = new Image(); bOn[1].src = "images/map/bgkarta_varna.gif";
						
				 bOn[2] = new Image(); bOn[2].src = "images/map/bgkarta_ru.gif";
						
				 bOn[3] = new Image(); bOn[3].src = "images/map/bgkarta_vt.gif";
						
				 bOn[4] = new Image(); bOn[4].src = "images/map/bgkarta_vi.gif";

				 bOn[5] = new Image(); bOn[5].src = "images/map/bgkarta_sb.gif";

				 bOn[6] = new Image(); bOn[6].src = "images/map/bgkarta_sf.gif";

				 bOn[7] = new Image(); bOn[7].src = "images/map/bgkarta_pl.gif";

				 bOn[8] = new Image(); bOn[8].src = "images/map/bgkarta_za.gif";

				 bOn[9] = new Image(); bOn[9].src = "images/map/golqma.gif";
			 bOff[9] = new Image(); bOff[9].src = "images/map/malka.gif";
					}
		
		function change_img(idx, state){
			if (document.images) {
				if (state=="on")
					document.images['i0'].src = bOn[idx].src;
				else
					document.images['i0'].src = bOff[0].src;
			}
		}
        zoom_buton = new Image(); zoom_buton.src = "images/map/malka.gif"
        zoom_buton_on = new Image(); zoom_buton_on.src = "images/map/golqma.gif"