window.addEvent('domready', function(){
	   //Hide all divs except for first one
       $$('#distributors div').each(function(e,i){
	   		if (i > 0) {
				e.setStyle('display', 'none');
			}
	   });
       
       $('distribution').addEvent('change', function(){
           var theId = $('distribution').value;
           // hide all divs
           $$('#distributors div').each(function(e,i){
				e.setStyle('display', 'none');
		   });
           //show selected one
           $(theId).setStyle('display', '');;
           });
   });