function generate_fields ( inform ) {
  var thismodel = inform.modelpick.options[inform.modelpick.selectedIndex].value;
  var sku       = '';

  
// a conditional H*A*C*K - array not worth the effort

	if (thismodel == '1') { sku = '13193:1,'; }
	if (thismodel == '2') { sku = '13200:1,'; }
	if (thismodel == '3') { sku = '13388:1,'; }
	if (thismodel == '4') { sku = '13385:1,'; }
	if (thismodel == '5') { sku = '13102:1,'; }
	if (thismodel == '6') { sku = '13389:1,'; }
	if (thismodel == '7') { sku = '13114:1,'; }
	if (thismodel == '8') { sku = '13379:1,'; }
		
	if (inform.add_portectorz.checked == true) {
		sku += '13616:1,';
	}

  inform.ProdList.value = sku;
}

function handleform ( inform ) {
 var errmsg = '';

// NB: secondary conditional statements below are due to NN 4.x hack
 if ( inform.modelpick.options[inform.modelpick.selectedIndex].value == '') { errmsg += 'Please Select a Model before trying to purchase.'; }

 if ( errmsg ) { alert (errmsg); return false; }
 else { generate_fields( inform ); return true; }
}