function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.appointment.Provider, "Dr. Christine Albrecht", "Dr. Christine Albrecht", "");
addOption(document.appointment.Provider, "Dr. Arden Beachy", "Dr. Arden Beachy", "");
addOption(document.appointment.Provider, "Dr. Jonathan Claussen", "Dr. Jonathan Claussen", "");
addOption(document.appointment.Provider, "Dr. David Freeman", "Dr. David Freeman", "");
addOption(document.appointment.Provider, "Dr. Sheila Froemming", "Dr. Sheila Froemming", "");
addOption(document.appointment.Provider, "Dr. John Halfen", "Dr. John Halfen", "");
addOption(document.appointment.Provider, "Dr. Gerald Henrickson", "Dr. Gerald Henrickson", "");
addOption(document.appointment.Provider, "Dr. Michael Hudalla", "Dr. Michael Hudalla", "");
addOption(document.appointment.Provider, "Dr. Sarah Israelson", "Dr. Sarah Israelson", "");
addOption(document.appointment.Provider, "Dr. Julie Mayers Benson", "Dr. Julie Mayers Benson", "");
addOption(document.appointment.Provider, "Dr. William Mennis", "Dr. William Mennis", "");
addOption(document.appointment.Provider, "Dr. Carol Uhlman", "Dr. Carol Uhlman", "");
addOption(document.appointment.Provider, "Becky Bennett P.A.-C", "Becky Bennett P.A.-C", "");
addOption(document.appointment.Provider, "Marc DeBow P.A.-C", "Marc DeBow P.A.-C", "");
addOption(document.appointment.Provider, "Nicole Kiesow, P.A.-C", "Nicole Kiesow", "");
addOption(document.appointment.Provider, "Kelly Thompson N.P.", "Kelly Thompson N.P.", "");
addOption(document.appointment.Provider, "Annalise Shippee, P.A.-C", "Annalise Shippee, P.A.-C", "");
addOption(document.appointment.Provider, "Amy Winkles, P.A.-C", "Amy Winkles", "");
}

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

removeAllOptions(document.appointment.Clinic);
addOption(document.appointment.Clinic, "", "Clinic", "");

if(document.appointment.Provider.value == 'Dr. Christine Albrecht'){
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Arden Beachy'){
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Jonathan Claussen'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. David Freeman'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Sheila Froemming'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. John Halfen'){
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Gerald Henrickson'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Michael Hudalla'){
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Sarah Israelson'){
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. Julie Mayers Benson'){
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Dr. William Mennis'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
}
if(document.appointment.Provider.value == 'Dr. Carol Uhlman'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Becky Bennett P.A.-C'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Marc DeBow P.A.-C'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Nicole Kiesow P.A.-C'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Kelly Thompson N.P.'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Annalise Shippee P.A.-C'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}
if(document.appointment.Provider.value == 'Amy Winkles P.A.-C'){
addOption(document.appointment.Clinic,"Browerville", "Browerville");
addOption(document.appointment.Clinic,"Eagle Bend", "Eagle Bend");
addOption(document.appointment.Clinic,"Motley", "Motley");
addOption(document.appointment.Clinic,"Pillager", "Pillager");
addOption(document.appointment.Clinic,"Staples", "Staples");
}


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

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);
}