function setSpaceClock() {
	var currentTime = new Date();
	var hours = currentTime.getHours();
	var minutes = currentTime.getMinutes();
	var seconds = currentTime.getSeconds();
	var binHours = padZeros(6,hours.toString(2));
	var binMinutes = padZeros(6,minutes.toString(2));
	var binSeconds = padZeros(6,seconds.toString(2));
	setOnOff(binHours, "hours");
	setOnOff(binMinutes, "minutes");
	setOnOff(binSeconds, "seconds");
	window.setTimeout("setSpaceClock()", 1000);  
}
function setOnOff(binValue, rowPrefix) {
	var i = 0;
	while (i < 6) {
		var val = binValue.substr(i,1);
		var element = document.getElementById(rowPrefix + "-" + i);
		if (element) {
		  if (val == 0) {
	  		element.className = "cellOff";
	  	  } else {
			element.className = "cellOn";	
		  }
		}
		i++;
	}
}
function padZeros(len, str) {
	for (var i = str.length; str.length < len; i++) {
		str = "0" + str;
	}
	return str;
}