var modelArray = new Array();

modelArray['Individual']=new Array("Patron","Supporter","Friend","Student");
modelArray['Agency']=new Array("Partner", "Affiliate","Associate");


function deleteOptionList(formObj)
{
	// Clear out previous option items
	while (formObj.options.length>0) {
		deleteIndex=formObj.options.length-1;
		formObj.options[deleteIndex]=null;
	}
}

function setModelList(item, id)
{
	var index=0;
	var formObj = document.getElementById("Sub-Type"+id);

	deleteOptionList(formObj);

	var objOptions=new Option("Select A Sub-Type", "", true);
	formObj.options[index++]=objOptions;

	if (item != "")
		for (i=0; i<modelArray[item].length; i++) {
			objOptions=new Option;
			objOptions.text=objOptions.value=modelArray[item][i];
			formObj.options[index++]=objOptions;
		}

	setTrimList(id);
}