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 == '1c' ) {
		choices = 'Gray:Gray - iMac Logo|Aqua:Aqua - iMac Logo';
	}
	else if ( thissize == '1a' ) {
		choices = 'Gray:Gray - iMac Logo|Aqua:Aqua - iMac Logo|Shagwire:Shagwire';
	}
	else if ( thissize == '1b' ) {
		choices = 'Gray:Gray - iMac Logo|Aqua:Aqua - iMac Logo';
	}
	else if (thissize == '2a' ) {
		choices = 'Gray:Gray|Aqua:Aqua|Shagwire:Shagwire';
	}
	else if (thissize == '2b' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
	else if (thissize == '2c' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
	else if (thissize == '2d' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
	else if (thissize == '2e' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
    else if (thissize == '2f' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
    else if (thissize == '2g' ) {
		choices = 'Gray:Gray|Fuchsia:Fuchsia|Indigo:Indigo|Green:Green|Grape:Grape|Black:Black|Shagwire:Shagwire';
	}
	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 == '1a') { inform.ProdId.value = '13501'; }
  	if (thissize == '1b') { inform.ProdId.value = '13502'; }
	if (thissize == '1c') { inform.ProdId.value = '13507'; }
	
	if (thissize == '2a') { inform.ProdId.value = '13511'; }
	if (thissize == '2b') { inform.ProdId.value = '13512'; }
	if (thissize == '2c') { inform.ProdId.value = '13541'; }
	if (thissize == '2d') { inform.ProdId.value = '13570'; }
	if (thissize == '2e') { inform.ProdId.value = '13577'; }
    if (thissize == '2f') { inform.ProdId.value = '13510'; }
    if (thissize == '2g') { inform.ProdId.value = '13539'; }
  }
  
   if ( thiscolor == 'Aqua' )
  {
  	if (thissize == '1a') { inform.ProdId.value = '13503'; }
  	if (thissize == '1b') { inform.ProdId.value = '13504'; }
	if (thissize == '1c') { inform.ProdId.value = '13508'; }
	
	if (thissize == '2a') { inform.ProdId.value = '13513'; }
  }
	
   if ( thiscolor == 'Shagwire' )
  {
  	if (thissize == '1a') { inform.ProdId.value = '13505'; }
  	if (thissize == '1c') { inform.ProdId.value = '13509'; }
	
	if (thissize == '2a') { inform.ProdId.value = '13515'; }
	if (thissize == '2b') { inform.ProdId.value = '13516'; }
	if (thissize == '2c') { inform.ProdId.value = '13547'; }
	if (thissize == '2d') { inform.ProdId.value = '13576'; }
	if (thissize == '2e') { inform.ProdId.value = '13583'; }
    if (thissize == '2f') { inform.ProdId.value = '13538'; }
    if (thissize == '2g') { inform.ProdId.value = '13595'; }
  }
  
  if ( thiscolor == 'Black' )
  {
  	if (thissize == '2b') { inform.ProdId.value = '13568'; }
	if (thissize == '2c') { inform.ProdId.value = '13546'; }
	if (thissize == '2d') { inform.ProdId.value = '13575'; }
	if (thissize == '2e') { inform.ProdId.value = '13582'; }
    if (thissize == '2f') { inform.ProdId.value = '13537'; }
    if (thissize == '2g') { inform.ProdId.value = '13594'; }
  }
  
  	if ( thiscolor == 'Indigo' )
  {
	if (thissize == '2b') { inform.ProdId.value = '13514'; }
  	if (thissize == '2c') { inform.ProdId.value = '13543'; }
	if (thissize == '2d') { inform.ProdId.value = '13572'; }
	if (thissize == '2e') { inform.ProdId.value = '13579'; }
    if (thissize == '2f') { inform.ProdId.value = '13518'; }
    if (thissize == '2g') { inform.ProdId.value = '13591'; }
  }
  
  	if ( thiscolor == 'Green' )
  {
	if (thissize == '2b') { inform.ProdId.value = '13566'; }
  	if (thissize == '2c') { inform.ProdId.value = '13544'; }
	if (thissize == '2d') { inform.ProdId.value = '13573'; }
	if (thissize == '2e') { inform.ProdId.value = '13580'; }
    if (thissize == '2f') { inform.ProdId.value = '13519'; }
    if (thissize == '2g') { inform.ProdId.value = '13592'; }
  }
  
  	if ( thiscolor == 'Grape' )
  {
	if (thissize == '2b') { inform.ProdId.value = '13567'; }
  	if (thissize == '2c') { inform.ProdId.value = '13545'; }
	if (thissize == '2d') { inform.ProdId.value = '13574'; }
	if (thissize == '2e') { inform.ProdId.value = '13581'; }
    if (thissize == '2f') { inform.ProdId.value = '13520'; }
    if (thissize == '2g') { inform.ProdId.value = '13593'; }
  }
  
  	if ( thiscolor == 'Fuchsia' )
  {
	if (thissize == '2b') { inform.ProdId.value = '13565'; }
  	if (thissize == '2c') { inform.ProdId.value = '13542'; }
	if (thissize == '2d') { inform.ProdId.value = '13571'; }
	if (thissize == '2e') { inform.ProdId.value = '13578'; }
    if (thissize == '2f') { inform.ProdId.value = '13517'; }
    if (thissize == '2g') { inform.ProdId.value = '13540'; }
  }
}

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; }
}