function generate_fields ( inform ) {
  var thissize = inform.sizepick.options[inform.sizepick.selectedIndex].value;
  var thiscolor = inform.colorpick.options[inform.colorpick.selectedIndex].value;
  var sku       = '';
  
	if (thissize == '30') {
		if (thiscolor == '1') { sku = '13827:1,'; }
		else if (thiscolor == '2') { sku = '13821:1,'; }
		else if (thiscolor == '3') { sku = '13823:1,'; }
		else if (thiscolor == '4') { sku = '13825:1,'; }
		else if (thiscolor == '5') { sku = '13824:1,'; }
		else if (thiscolor == '6') { sku = '13822:1,'; }
	}
	else if (thissize == '60') {
		if (thiscolor == '1') { sku = '13837:1,'; }
		else if (thiscolor == '2') { sku = '13831:1,'; }
		else if (thiscolor == '3') { sku = '13833:1,'; }
		else if (thiscolor == '4') { sku = '13835:1,'; }
		else if (thiscolor == '5') { sku = '13834:1,'; }
		else if (thiscolor == '6') { sku = '13832:1,'; }
	}
	
	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.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; }
}