function generate_fields ( inform ) {
  var thissize = inform.sizepick.options[inform.sizepick.selectedIndex].value;
  var sku       = '';
  
	if (thissize != '') {
		sku = thissize +' :1,';
		
	}
	if (inform.add_portfolio.checked == true) {
			sku += '13333:1,';
		}
  inform.ProdList.value = sku;
}

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

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

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