function initCalculatorForm() {	
	document.estimatorForm.usage.value = "";
	document.estimatorForm.versionName.value = "";
	
	/*changeUsage();
	
	// hide commercial select controls
	$('commercial_bill').setStyle('display', 'none');
	$('commercial_consumption').setStyle('display', 'none');
	
	// show residential select controls - default
	$('residential_bill').setStyle('display', 'block');
	$('residential_consumption').setStyle('display', 'block');*/
}

function changeUsage(){
	// bill or consumption? - from usage select control
	// if cost $/year
	if ( document.estimatorForm.usage.value == "bill" ) {
		if($("#usage option:selected").val()=="bill")
		{
			
		}
		//$('annualKWH').setStyle('display', 'none');
		//$('annualBill').setStyle('display', 'block');
	// kWh per year
	} else if ( document.estimatorForm.usage.value == "consumption" ) {		
		//$('annualKWH').setStyle('display', 'block');
		//$('annualBill').setStyle('display', 'none');
	}
}
function populateKWHData(){
	//alert("coming....");
	if(($("#versionName option:selected").val()=="residential") && ($("#usage option:selected").val()=="bill")){
		//alert("residential/Bill");
		$('#commercial_bill').css('display', 'none');
		$('#residential_bill').css('display', 'block');
		$('#commercial_consumption').css('display', 'none');
		$('#residential_consumption').css('display', 'none');
	}
	else if(($("#versionName option:selected").val()=="residential") && ($("#usage option:selected").val()=="consumption")){
		//alert("residential/consumption");
		$('#commercial_bill').css('display', 'none');
		$('#residential_bill').css('display', 'none');
		$('#commercial_consumption').css('display', 'none');
		$('#residential_consumption').css('display', 'block');
	}
	else if(($("#versionName option:selected").val()=="commercial") && ($("#usage option:selected").val()=="bill")){
		//alert("commercial/Bill");
		$('#commercial_bill').css('display', 'block');
		$('#residential_bill').css('display', 'none');
		$('#commercial_consumption').css('display', 'none');
		$('#residential_consumption').css('display', 'none');
	}
	else if(($("#versionName option:selected").val()=="commercial") && ($("#usage option:selected").val()=="consumption")){
		//alert("commercial/consumption");
		$('#commercial_bill').css('display', 'none');
		$('#residential_bill').css('display', 'none');
		$('#commercial_consumption').css('display', 'block');
		$('#residential_consumption').css('display', 'none');
	}
}
function setType() {
	alert("set type");
	if ( document.estimatorForm.versionName.value == "residential" ) {
		alert("residential");
		alert($("#usage option:selected").val());
		if($("#usage option:selected").val()=="bill")
		{
			alert("bill");
			$('#commercial_bill').css('display', 'none');
			$('#residential_bill').css('display', 'block');
			$('#commercial_consumption').css('display', 'none');
			$('#residential_consumption').css('display', 'none');
			
		}
		else if($("#usage option:selected").val()=="consumption"){
			alert("consumption");
			$('#commercial_bill').css('display', 'none');
			$('#residential_bill').css('display', 'none');
			$('#commercial_consumption').css('display', 'none');
			$('#residential_consumption').css('display', 'block');
		}
		else
		{
			alert("nothing is selected...");
			$('#commercial_bill').css('display', 'none');
			$('#residential_bill').css('display', 'block');
			$('#commercial_consumption').css('display', 'none');
			$('#residential_consumption').css('display', 'none');
		}
	} else if ( document.estimatorForm.versionName.value == "commercial" ) {
		alert("commercial");
		alert($("#usage option:selected").val());
		if($("#usage option:selected").val()=="bill")
		{
			alert("bill");
			$('#commercial_bill').css('display', 'block');
			$('#residential_bill').css('display', 'none');
			$('#commercial_consumption').css('display', 'none');
			$('#residential_consumption').css('display', 'none');
			
		}
		else if($("#usage option:selected").val()=="consumption"){
			alert("consumption");
			$('#commercial_bill').css('display', 'none');
			$('#residential_bill').css('display', 'none');
			$('#commercial_consumption').css('display', 'block');
			$('#residential_consumption').css('display', 'none');
		}
		else
		{
			alert("nothing is selected...");
			$('#commercial_bill').css('display', 'block');
			$('#residential_bill').css('display', 'none');
			$('#commercial_consumption').css('display', 'none');
			$('#residential_consumption').css('display', 'none');
		}
			
		/*document.getElementById("commercial_bill").style.display="block";
		document.getElementById("residential_bill").style.display="none";
		document.getElementById("commercial_consumption").style.display="none";
		document.getElementById("residential_consumption").style.display="none";*/
		
	}
}

// sets the variables required by the calculator app by setting hidden input fields

// set variable for $ cost per year
function setBill(fieldname){	
	// get the value from field residential or commercial
	getvalue = eval('document.estimatorForm.'+fieldname+'.value');	
	// set reportedUtilityBill to the value
	document.estimatorForm.reportedUtilityBill.value = getvalue;
	// clear annualConsumption in case it was set earlier
	document.estimatorForm.annualConsumption.value = '';
}

// set variable for usage in kWh
function setUsage(fieldname){	
	// get the value from field residential or commercial
	getvalue = eval('document.estimatorForm.'+fieldname+'.value');
	
	// set annualConsumption to the value
	document.estimatorForm.annualConsumption.value = getvalue;
	// clear reportedUtilityBill in case it was set earlier
	document.estimatorForm.reportedUtilityBill.value = '';
}