function clearOption(selectId) {
	document.getElementById(selectId)
}
function addOption(selectId, txt, val)
{
	//alert("val is: " + val);
    var objOption = new Option(val, val);
    document.getElementById(selectId).options.add(objOption);    
}

function yearChanged(product) {	
	var selectYear = document.forms["frmFeatured"].elements["year"];
	var selectMake = document.forms["frmFeatured"].elements["make"];
	var year = selectYear[selectYear.selectedIndex].value;
	var selectModel = document.forms["frmFeatured"].elements["model"];
	var selectSubModel = document.forms["frmFeatured"].elements["submodel"];	
    for (var i = (selectMake.length-1); i >= 0; i--){
        selectMake[i]=null;
    }
    for (var i = (selectModel.length-1); i >= 0; i--){
        selectModel[i]=null;
    }
    for (var i = (selectSubModel.length-1); i >= 0; i--){
        selectSubModel[i]=null;
    }    
    if (selectYear.selectedIndex==0) {
    	selectMake[0] = new Option("Select Year First","0");
    }
    else {
    	selectMake[0] = new Option("Select Make","0");
    }
    selectModel[0] = new Option("Select Make First","0");
    selectSubModel[0] = new Option("Select Model First","0");
	xajax_processAjaxAction("featured_year_select",product,year);
}
function makeChanged(product) {
	var selectYear = document.forms["frmFeatured"].elements["year"];
	var selectMake = document.forms["frmFeatured"].elements["make"];
	var selectModel = document.forms["frmFeatured"].elements["model"];
	var selectSubModel = document.forms["frmFeatured"].elements["submodel"];
	var year = selectYear[selectYear.selectedIndex].value;
	var make = selectMake[selectMake.selectedIndex].value;
	
    for (var i = (selectModel.length-1); i >= 0; i--){
        selectModel[i]=null;
    }
    for (var i = (selectSubModel.length-1); i >= 0; i--){
        selectSubModel[i]=null;
    }
    if (selectMake.selectedIndex==0) {
    	selectModel[0] = new Option("Select Make First","0");
    }
    else {
    	selectModel[0] = new Option("Select Model","0");
    }
    selectSubModel[0] = new Option("Select Model First","0");
	xajax_processAjaxAction("featured_make_select", product,year,make);
}
function modelChanged(product) {
	var selectYear = document.forms["frmFeatured"].elements["year"];
	var selectMake = document.forms["frmFeatured"].elements["make"];
	var selectModel = document.forms["frmFeatured"].elements["model"];
	var selectSubModel = document.forms["frmFeatured"].elements["submodel"];
	var year = selectYear[selectYear.selectedIndex].value;
	var make = selectMake[selectMake.selectedIndex].value;
	var model = selectModel[selectModel.selectedIndex].value;
    for (var i = (selectSubModel.length-1); i >= 0; i--){
        selectSubModel[i]=null;
    }
    if (selectSubModel.selectedIndex==0) {
    	selectSubModel[0] = new Option("Select Model First","0");
    }
    else {
    	selectSubModel[0] = new Option("Select Sub Model","0");
    }
	xajax_processAjaxAction("featured_model_select", product,year,make,model);
}