function pickedResidence() {
	var picker=document.getElementById("pick_res");
	var index=picker.selectedIndex;
	if(index==6) picker.selectedIndex=5;
	//if(index==1) picker.selectedIndex=2;
	if(index==7) {
		document.getElementById("show_chooser").style.display="none";
		document.getElementById("show_textbox").style.display="block";
	}
	jumpToFocusMain();
	jumpToFocusMini();
}

function submitForm(whichForm) {
	document.minicalc.submit();
}

function jumpToFocusMain() {
	document.maincalc.zip.focus();
}

function jumpToFocusMini() {
	document.minicalc.zip.focus();
}

function hideShowChangeRefine() {
	var div=document.getElementById("refine");
	if(div.style.display=="block") div.style.display="none";
	else div.style.display="block";
}

function updateRateBoxes(whichbox) {
	var boxa=document.getElementById("fixedrates");
	var boxb=document.getElementById("variablerates");
	var boxc=document.getElementById("bothrates");
	var mindur=document.getElementById("maximumduration");
	switch(whichbox) {
		case "fixed":
			boxa.checked=true;
			boxb.checked=false;
			boxc.checked=false;
			mindur.style.display="block";
			break;
		case "variable":
			boxa.checked=false;
			boxb.checked=true;
			boxc.checked=false;
			mindur.style.display="none";
			break;
		case "both":
			boxa.checked=false;
			boxb.checked=false;
			boxc.checked=true;
			mindur.style.display="block";
			break;
	}

	function submitRefined() {
		document.refinedForm.submit();
	}
}