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 = '1:Black + Gray';
	} else if ( thissize == '2' ) {
		choices = '3:Brown + Pink';
	}
	
	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(thissize == '2'){
		if(thiscolor == '2'){ sku = '13-786';} // Red+Red
		if(thiscolor == '3'){ sku = '13-782';} // Brown+Pink
		
	}else if(thissize == '1'){
		if(thiscolor == '1'){ sku = '13-787';} // Black+Gray
		else if(thiscolor == '2'){ sku = '13-792';} // Red+Red
		else if(thiscolor == '3'){ sku = '13-788';} // Brown+Pink
	}

  inform.ProdId.value = sku;
}

function handleform ( inform ) {
 var errmsg = '';
 if ( inform.colorpick.selectedIndex < 1 ) { errmsg += '\n   - Color'; }
// NB: secondary conditional statements below are due to NN 4.x hack
 if ( ( inform.sizepick.selectedIndex < 1 ) || ( inform.colorpick.options[inform.colorpick.selectedIndex].value == '' ) ) { errmsg += '\n   - Size'; }

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