function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.quote_form.Spa_Make, "Sundance", "Sundance", "");
addOption(document.quote_form.Spa_Make, "Jacuzzi", "Jacuzzi", "");
addOption(document.quote_form.Spa_Make, "Nordic", "Nordic", "");
}

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

removeAllOptions(document.quote_form.Spa_Model);
addOption(document.quote_form.Spa_Model, "", "Select Model", "");

if(document.quote_form.Spa_Make.value == 'Sundance'){
	addOption(document.quote_form.Spa_Model,"Altamar", "Altamar");
	addOption(document.quote_form.Spa_Model,"Burlington", "Burlington");
	addOption(document.quote_form.Spa_Model,"Camden", "Camden");
	addOption(document.quote_form.Spa_Model,"Cameo", "Cameo");
	addOption(document.quote_form.Spa_Model,"Capri", "Capri");
	addOption(document.quote_form.Spa_Model,"Certa", "Certa");
	addOption(document.quote_form.Spa_Model,"Chelsee", "Chelsee");
	addOption(document.quote_form.Spa_Model,"Denali", "Denali");
	addOption(document.quote_form.Spa_Model,"Dover", "Dover");
	addOption(document.quote_form.Spa_Model,"Hamilton", "Hamilton");
	addOption(document.quote_form.Spa_Model,"Hartford", "Hartford");
	addOption(document.quote_form.Spa_Model,"Hawthorne", "Hawthorne");
	addOption(document.quote_form.Spa_Model,"Majesta", "Majesta");	
	addOption(document.quote_form.Spa_Model,"Marin", "Marin");
	addOption(document.quote_form.Spa_Model,"Maxxus", "Maxxus");
	addOption(document.quote_form.Spa_Model,"Optima", "Optima");
	addOption(document.quote_form.Spa_Model,"Tacoma", "Tacoma");
}

if(document.quote_form.Spa_Make.value == 'Jacuzzi'){
	addOption(document.quote_form.Spa_Model,"J-480", "J-480");
	addOption(document.quote_form.Spa_Model,"J-470", "J-470");
	addOption(document.quote_form.Spa_Model,"J-465", "J-465");
	addOption(document.quote_form.Spa_Model,"J-460", "J-460");
	addOption(document.quote_form.Spa_Model,"J-375", "J-375");
	addOption(document.quote_form.Spa_Model,"J-365", "J-365");
	addOption(document.quote_form.Spa_Model,"J-355", "J-355");
	addOption(document.quote_form.Spa_Model,"J-345", "J-345");
	addOption(document.quote_form.Spa_Model,"J-335", "J-335");
	addOption(document.quote_form.Spa_Model,"J-325", "J-325");
	addOption(document.quote_form.Spa_Model,"J-315", "J-315");
	addOption(document.quote_form.Spa_Model,"J-280", "J-280");
	addOption(document.quote_form.Spa_Model,"J-270", "J-270");
	addOption(document.quote_form.Spa_Model,"J-230", "J-230");
	addOption(document.quote_form.Spa_Model,"J-210", "J-210");
}

if(document.quote_form.Spa_Make.value == 'Nordic'){
	addOption(document.quote_form.Spa_Model,"Bella", "Bella");
	addOption(document.quote_form.Spa_Model,"Crown II", "Crown II");
	addOption(document.quote_form.Spa_Model,"Crown XL", "Crown XL");
	addOption(document.quote_form.Spa_Model,"Escape (Premium)", "Escape Premium");
	addOption(document.quote_form.Spa_Model,"Escape", "Escape Premium R");
	addOption(document.quote_form.Spa_Model,"Escape", "Escape R");
	addOption(document.quote_form.Spa_Model,"Escape", "Escape");
	addOption(document.quote_form.Spa_Model,"Retreat", "Retreat");
	addOption(document.quote_form.Spa_Model,"Sport", "Sport");
	addOption(document.quote_form.Spa_Model,"Warrior XL", "Warrior XL");
}


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

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);
}