b2 = parseInt("" + _b3 + _b2 + _b1 + _b0, 2);

				document.getElementById("h").innerHTML = comb2.toString(2);

				for (var i = 0 ; i < 32 ; i++) {
					var lsb = comb2 & 1;
					var elem = document.getElementById("h_d2_" + i);
					elem.innerHTML = lsb;
					elem.className = "calc";
					comb2 = comb2 >> 1;
				}

				document.getElementById("h").innerHTML = document.getElementById("h").innerHTML + " (" + parseInt(document.getElementById("h").innerHTML, 2).toString(16) + "h)";
			}

			function _calculate