function fillSeries(){ 
 // this function is used to fill the Series list on load
addOption(document.myform.Series, "S Series", "S Series", "");
addOption(document.myform.Series, "M Series", "M Series", "");
addOption(document.myform.Series, "H Series", "H Series", "");
addOption(document.myform.Series, "S Series V2", "S Series V2", "");
addOption(document.myform.Series, "M Series V2", "M Series V2", "");
addOption(document.myform.Series, "H Series V2", "H Series V2", "");
addOption(document.myform.Series, "H Series V3", "H Series V3", "");
addOption(document.myform.Series, "H Series V4", "H Series V4", "");
addOption(document.myform.Series, "Storage system", "Storage system", "");
}

function SelectPName(){
// ON selection of Series this function will work

removeAllOptions(document.myform.PName);
addOption(document.myform.PName, "", "Select Product Model", "");

if(document.myform.Series.value == 'S Series'){
addOption(document.myform.PName,"GV-1120S", "GV-1120S");
addOption(document.myform.PName,"GV-1240S", "GV-1240S");
addOption(document.myform.PName,"GV-1248S", "GV-1248S");
addOption(document.myform.PName,"GV-1480S", "GV-1480S");
addOption(document.myform.PName,"GV-2008S", "GV-2008S");
addOption(document.myform.PName,"GV-2016S", "GV-2016S");
}
if(document.myform.Series.value == 'M Series'){
addOption(document.myform.PName,"GV-800M ", "GV-800M ");
addOption(document.myform.PName,"GV-1120M ", "GV-1120M ");
addOption(document.myform.PName,"GV-1240M ", "GV-1240M ");
addOption(document.myform.PName,"GV-1248M ", "GV-1248M ");
}
if(document.myform.Series.value == 'H Series'){
addOption(document.myform.PName,"GV-1120", "GV-1120");
addOption(document.myform.PName,"GV-1240", "GV-1240");
addOption(document.myform.PName,"GV-1480", "GV-1480");
addOption(document.myform.PName,"GV-2008", "GV-2008");
addOption(document.myform.PName,"GV-2016", "GV-2016");
}
if(document.myform.Series.value == 'S Series V2'){
addOption(document.myform.PName,"GV-1120S", "GV-1120S");
addOption(document.myform.PName,"GV-1240S", "GV-1240S");
addOption(document.myform.PName,"GV-1248S", "GV-1248S");
addOption(document.myform.PName,"GV-1480S", "GV-1480S");
addOption(document.myform.PName,"GV-2008S", "GV-2008S");
addOption(document.myform.PName,"GV-2016S", "GV-2016S");
}
if(document.myform.Series.value == 'M Series V2'){
addOption(document.myform.PName,"GV-800M ", "GV-800M ");
addOption(document.myform.PName,"GV-1120M ", "GV-1120M ");
addOption(document.myform.PName,"GV-1240M ", "GV-1240M ");
addOption(document.myform.PName,"GV-1248M ", "GV-1248M ");
addOption(document.myform.PName,"GV-1480M ", "GV-1480M ");
addOption(document.myform.PName,"GV-2008M ", "GV-2008M ");
}
if(document.myform.Series.value == 'H Series V2'){
addOption(document.myform.PName,"GV-1120HV2", "GV-1120HV2");
addOption(document.myform.PName,"GV-1240HV2", "GV-1240HV2");
addOption(document.myform.PName,"GV-1248HV2", "GV-1248HV2");
addOption(document.myform.PName,"GV-1480HV2", "GV-1480HV2");
addOption(document.myform.PName,"GV-2008HV2", "GV-2008HV2");
addOption(document.myform.PName,"GV-2016HV2", "GV-2016HV2");
}
if(document.myform.Series.value == 'H Series V3'){
addOption(document.myform.PName,"GV-1120HV3", "GV-1120HV3");
addOption(document.myform.PName,"GV-1240HV3", "GV-1240HV3");
addOption(document.myform.PName,"GV-1248HV3", "GV-1248HV3");
addOption(document.myform.PName,"GV-1480HV3", "GV-1480HV3");
addOption(document.myform.PName,"GV-2008HV3", "GV-2008HV3");
addOption(document.myform.PName,"GV-2016HV3", "GV-2016HV3");
addOption(document.myform.PName,"GV-NVR", "GV-NVR");
}
if(document.myform.Series.value == 'H Series V4'){
addOption(document.myform.PName,"GV-1120HV4", "GV-1120HV4");
addOption(document.myform.PName,"GV-1240HV4", "GV-1240HV4");
addOption(document.myform.PName,"GV-1248HV4", "GV-1248HV4");
addOption(document.myform.PName,"GV-1480HV4", "GV-1480HV4");
addOption(document.myform.PName,"GV-2008HV4", "GV-2008HV4");
addOption(document.myform.PName,"GV-2016HV4", "GV-2016HV4");
addOption(document.myform.PName,"GV-NVRHV4", "GV-NVRHV4");
}
if(document.myform.Series.value == 'Storage system'){
addOption(document.myform.PName,"Storage System", "Storage System");
}
}

function SelectHDD(){
// ON selection of PName this function will work

removeAllOptions(document.myform.HDD);
addOption(document.myform.HDD, "", "Select Bays or HDD Capacity", "");

if(document.myform.PName.value == 'GV-1120S'){
addOption(document.myform.HDD,"300GB", "300GB");
addOption(document.myform.HDD,"600GB", "600GB");
addOption(document.myform.HDD,"1200GB", "1200GB");
}
if(document.myform.PName.value == 'GV-1240S'){
addOption(document.myform.HDD,"600GB", "600GB");
addOption(document.myform.HDD,"1200GB", "1200GB");
addOption(document.myform.HDD,"1600GB", "1600GB");
}
if(document.myform.PName.value == 'GV-1248S'){
addOption(document.myform.HDD,"600GB", "600GB");
addOption(document.myform.HDD,"1200GB", "1200GB");
addOption(document.myform.HDD,"1600GB", "1600GB");
}
if(document.myform.PName.value == 'GV-1480S'){
addOption(document.myform.HDD,"900GB", "900GB");
addOption(document.myform.HDD,"1200GB", "1200GB");
addOption(document.myform.HDD,"1600GB", "1600GB");
}
if(document.myform.PName.value == 'GV-2008S'){
addOption(document.myform.HDD,"1200GB", "1200GB");
addOption(document.myform.HDD,"1600GB", "1600GB");
addOption(document.myform.HDD,"2000GB", "2000GB");
}
if(document.myform.PName.value == 'GV-2016S'){
addOption(document.myform.HDD,"1600GB", "1600GB");
addOption(document.myform.HDD,"2000GB", "2000GB");
addOption(document.myform.HDD,"3000GB", "3000GB");
}
if(document.myform.PName.value == 'GV-1120'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-1240'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-1480'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-2008'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-2016'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-1120'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-1240HV2'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-1480HV2'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-2008HV2'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-2016HV2'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
if(document.myform.PName.value == 'GV-1120HV3'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"10 Bays ", "10 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-1240HV3'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"10 Bays ", "10 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-1480HV3'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"10 Bays ", "10 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-2008HV3'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"10 Bays ", "10 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-2016HV3'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"10 Bays ", "10 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-NVR'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"6 Bays ", "6 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"10 Bays ", "10 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-1120HV4'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-1240HV4'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-1480HV4'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-2008HV4'){
addOption(document.myform.HDD,"2 Bays ", "2 Bays");
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'GV-2016HV4'){
addOption(document.myform.HDD,"4 Bays ", "4 Bays");
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
addOption(document.myform.HDD,"20 Bays ", "20 Bays");
}
if(document.myform.PName.value == 'Storage System'){
addOption(document.myform.HDD,"8 Bays ", "8 Bays");
}
}
////////////////// 

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);
}