function resetfields (  ) {
  document.whatamess.modelpick.selectedIndex = 0;
  document.whatamess.colorpick.selectedIndex = 0;
// BEG: hack for NN 4.x
  obliterate( document.whatamess.colorpick );
// END: hack for NN 4.x
}

function buildlist ( inselect, optionlist ) {
 var cloc, cloc2 = 0;
 var portion     = '';
 while ( optionlist.length > 0 ) {
  cloc = optionlist.indexOf( '|' );
  if ( cloc == -1 ) { cloc = optionlist.length; }
  portion = optionlist.substring( 0, cloc );
  cloc2   = portion.indexOf( ':' );
  var foo = new Option( portion.substring( (cloc2 + 1), portion.length ), portion.substring( 0, cloc2 ) );
  inselect.options[inselect.options.length] = foo;
  if ( optionlist.indexOf ( '|' ) != -1 ) { optionlist = optionlist.substring( ( cloc + 1 ), optionlist.length ); }
  else { optionlist = ''; }
} }

function obliterate ( inselect ) {
 if ( inselect.options.length > 1 ) {
  while ( inselect.length > 1 ) { inselect.options[1] = null; }
  inselect.selectedIndex = 0;
} }

function generateColors ( inselect ) {
	obliterate( document.whatamess.colorpick );
	var thismodel = inselect.options[inselect.selectedIndex].value;
	var choices = '';
	if( thismodel == '1' ) {
		choices = 'Blue:Blue|Green:Green|White:White|Pink:Pink|Yellow:Yellow|Bronze:Bronze';
	} else if( thismodel == '2') {
		choices = 'Blue:Blue|Green:Green|Pink:Pink|Black:Black';
	}
	
	buildlist( document.whatamess.colorpick , choices);
}
	
function generate_fields ( inform ) {
  var thismodel = inform.modelpick.options[inform.modelpick.selectedIndex].value;
  var thiscolor = inform.colorpick.options[inform.colorpick.selectedIndex].value;
  var sku       = '';

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

   if( thismodel == '1') {
	if (thiscolor == 'Blue') { sku = '13183:1,'; }
	else if (thiscolor == 'Green') { sku = '13185:1,'; }
	else if (thiscolor == 'White') { sku = '13182:1,'; }
	else if (thiscolor == 'Pink') { sku = '13184:1,'; }
	else if (thiscolor == 'Yellow') { sku = '13181:1,'; }
	else if (thiscolor == 'Bronze') { sku = '13186:1,'; }
   } else if ( thismodel == '2') {
	if (thiscolor == 'Blue') { sku = '13356:1,'; }
	else if (thiscolor == 'Green') { sku = '13358:1,'; }
	else if (thiscolor == 'White') { sku = '13355:1,'; }
	else if (thiscolor == 'Pink') { sku = '13357:1,'; }
	else if (thiscolor == 'Black') { sku = '13359:1,'; }
   }
	
	if (inform.add_portectorz.checked == true) {
		sku += '13616:1,';
	}
		if (inform.add_clearcal.checked == true) {
		sku += '13190:1,';
	}
	if (inform.add_armband.checked == true) {
		sku += '13141:1,';
	}

  inform.ProdList.value = sku;
}

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

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

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