function updateValues() {

	startingvalue = document.getElementById("startingvalue").value;
	iterations = document.getElementById("iterations").value;
	roundtointeger = document.getElementById("roundtointeger").checked;
	//useroundedvalue = document.getElementById("useroundedvalue").checked;
	useroundedvalue = true;

	//if (roundtointeger) {
	//	document.getElementById("roundingoptions").style.visibility = "visible";
	//} else {
	//	document.getElementById("roundingoptions").style.visibility = "hidden";
	//}

	leftcolumn = "";
	x = startingvalue;
	for (i=0; i<=iterations; i++){
		if (roundtointeger && useroundedvalue) {
			leftcolumn += x + "<br />";
			x = Math.round(x * (1+Math.sqrt(5))/2);
		} else if (roundtointeger) {
			leftcolumn += Math.round(x) + "<br />";
			x = x * (1+Math.sqrt(5))/2;
		} else {
			leftcolumn += x + "<br />";
			x = x * (1+Math.sqrt(5))/2;
		}
	}
	document.getElementById("leftcolumn").innerHTML = leftcolumn;

	rightcolumn = "";
	x = startingvalue;
	for (i=0; i<=iterations; i++){
		if (roundtointeger && useroundedvalue) {
			rightcolumn += x + "<br />";
			x = Math.round(x / ((1+Math.sqrt(5))/2));
		} else if (roundtointeger) {
			rightcolumn += Math.round(x) + "<br />";
			x = x / ((1+Math.sqrt(5))/2);
		} else {
			rightcolumn += x + "<br />";
			x = x / ((1+Math.sqrt(5))/2);
		}
	}
	document.getElementById("rightcolumn").innerHTML = rightcolumn;

}