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

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 handlesize ( inselect ) {
	obliterate( document.whatamess.colorpick );
	var thissize = inselect.options[inselect.selectedIndex].value;
	var choices = '';
	if ( thissize == '1' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Aqua:Aqua|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
	else if ( thissize == '2' ) {
		choices = 'Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Shagwire:Shagwire';
	}
	else if ( thissize == '3' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
	else if ( thissize == '4' ) {
		choices = 'Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Shagwire:Shagwire';
	}
    else if ( thissize == '5' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black';
	}
	buildlist( document.whatamess.colorpick,choices);
}


function resetfields (  ) {
  document.whatamess.sizepick.selectedIndex = 0;
  document.whatamess.colorpick.selectedIndex = 0;
}

function generate_fields ( inform ) {
  var thiscolor = inform.colorpick.options[inform.colorpick.selectedIndex].value;
  var thissize  = inform.sizepick.options[inform.sizepick.selectedIndex].value;
  var sku = '';
  
// a conditional H*A*C*K - array not worth the effort
  if ( thiscolor == 'Gray' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13521'; }
  	if (thissize == '2') { inform.ProdId.value = '13523'; }
	if (thissize == '3') { inform.ProdId.value = '13525'; }
	if (thissize == '4') { inform.ProdId.value = '13584'; }
    if (thissize == '5') { inform.ProdId.value = '13548'; }
  }
  
   if ( thiscolor == 'Aqua' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13522'; }

  }
  
  if ( thiscolor == 'Fuchsia' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13560'; }
	if (thissize == '2') { inform.ProdId.value = '13532'; }
  	if (thissize == '3') { inform.ProdId.value = '13527'; }
  	if (thissize == '4') { inform.ProdId.value = '13585'; }
    if (thissize == '5') { inform.ProdId.value = '13549'; }
  }
   if ( thiscolor == 'Indigo' )
  {
  	if (thissize == '2') { inform.ProdId.value = '13524'; }
  	if (thissize == '3') { inform.ProdId.value = '13526'; }
  	if (thissize == '4') { inform.ProdId.value = '13586'; }
    if (thissize == '5') { inform.ProdId.value = '13569'; }
  }
  if ( thiscolor == 'Green' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13561'; }
	if (thissize == '2') { inform.ProdId.value = '13533'; }
  	if (thissize == '3') { inform.ProdId.value = '13528'; }
  	if (thissize == '4') { inform.ProdId.value = '13587'; }
    if (thissize == '5') { inform.ProdId.value = '13703'; }
  }
  if ( thiscolor == 'Grape' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13562'; }
	if (thissize == '2') { inform.ProdId.value = '13534'; }
  	if (thissize == '3') { inform.ProdId.value = '13529'; }
  	if (thissize == '4') { inform.ProdId.value = '13588'; }
    if (thissize == '5') { inform.ProdId.value = '13704'; }
  }
  if ( thiscolor == 'Black' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13563'; }
	if (thissize == '2') { inform.ProdId.value = '13535'; }
  	if (thissize == '3') { inform.ProdId.value = '13530'; }
  	if (thissize == '4') { inform.ProdId.value = '13589'; }
    if (thissize == '5') { inform.ProdId.value = '13705'; }
  }
  if ( thiscolor == 'Shagwire' )
  {
  	if (thissize == '1') { inform.ProdId.value = '13564'; }
	if (thissize == '2') { inform.ProdId.value = '13536'; }
  	if (thissize == '3') { inform.ProdId.value = '13531'; }
  	if (thissize == '4') { inform.ProdId.value = '13590'; }
    if (thissize == '5') { inform.ProdId.value = '13706'; }
  }
}

function handleform ( inform ) {
 var errmsg = '';
  if ( inform.sizepick.selectedIndex < 1 ) { errmsg += '\n   - Size'; }
 if ( inform.colorpick.selectedIndex < 1 ) { errmsg += '\n   - Color'; }

// NB: secondary conditional statements below are due to NN 4.x hack

 if ( errmsg ) { alert ('Please choose the following before purchasing:' + errmsg); return false; }
 else { generate_fields( inform ); return true; }
}