function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.drop_list.Category, "NSW", "NSW", "");
addOption(document.drop_list.Category, "QLD", "QLD", "");
addOption(document.drop_list.Category, "VIC", "VIC", "");
addOption(document.drop_list.Category, "WA", "WA", "");
addOption(document.drop_list.Category, "SA", "SA", "");
addOption(document.drop_list.Category, "NT", "NT", "");
addOption(document.drop_list.Category, "ACT", "ACT", "");
addOption(document.drop_list.Category, "TAS", "TAS", "");
}

function SelectSubCat(){
// ON selection of category this function will work

removeAllOptions(document.drop_list.SubCat);
addOption(document.drop_list.SubCat, "", "- Select Enquiry Type -", "");

if(document.drop_list.Category.value == 'NSW')
{
addOption(document.drop_list.SubCat,"/enquiry/PV-Contact?enqtype=Solar+Electricity&state=NSW", "Solar Electricity");
addOption(document.drop_list.SubCat,"/enquiry/SHW-Contact?enqtype=Solar+Hot+Water&state=NSW", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/PV-SHW-Contact?enqtype=Solar+Electricity+and+Solar+Hot+Water&state=NSW", "Solar Electricity + Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=NSW", "Other");
}





if(document.drop_list.Category.value == 'QLD')
{
addOption(document.drop_list.SubCat,"/enquiry/PV-Contact?enqtype=Solar+Electricity&state=QLD", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are currently unable to install Solar Hot Water in your area. We can however service your area for Solar Electricity. Please adjust your selection to enquire about Solar Electricity if you would like to find out more')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=QLD", "Other");
}
if(document.drop_list.Category.value == 'WA')
{
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Electricity in your area. Best of luck in your search.')", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Hot Water in your area. Best of luck in your search.')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=WA", "Other");
}
if(document.drop_list.Category.value == 'SA')
{
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Electricity in your area. Best of luck in your search.')", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Hot Water in your area. Best of luck in your search.')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=SA", "Other");
}
if(document.drop_list.Category.value == 'NT')
{
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Electricity in your area. Best of luck in your search.')", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Hot Water in your area. Best of luck in your search.')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=NT", "Other");
}
if(document.drop_list.Category.value == 'ACT')
{
addOption(document.drop_list.SubCat,"/enquiry/PV-Contact?enqtype=Solar+Electricity&state=ACT", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Hot Water in your area. Best of luck in your search.')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=ACT", "Other");
}
if(document.drop_list.Category.value == 'TAS')
{
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Electricity in your area. Best of luck in your search.')", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are not currently able to install Solar Hot Water in your area. Best of luck in your search.')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=TAS", "Other");
}

if(document.drop_list.Category.value == 'VIC'){
addOption(document.drop_list.SubCat,"/enquiry/PV-VIC-Contact?enqtype=Solar+Electricity&state=VIC", "Solar Electricity");
addOption(document.drop_list.SubCat,"javascript:alert('Thank you.  Unfortunately we are currently unable to install Solar Hot Water in your area. We can however service your area for Solar Electricity. Please adjust your selection to enquire about Solar Electricity if you would like to find out more')", "Solar Hot Water");
addOption(document.drop_list.SubCat,"/enquiry/General-Contact?enqtype=General&state=VIC", "Other");
}


}
////////////////// 

function removeAllOptions(selectbox)
{
	var i;
	for(i=selectbox.options.length-1;i>=0;i--)
	{
		//selectbox.options.remove(i);
		selectbox.remove(i);
	}
}


function addOption(selectbox, value, text )
{
	var optn = document.createElement("OPTION");
	optn.text = text;
	optn.value = value;

	selectbox.options.add(optn);
}

function selecturl(s) 
{
  var gourl = s.options[s.selectedIndex].value;
  if ((gourl != null) && (gourl != "") )
  {
    window.top.location.href = gourl;
  }
}