document.addEvent('domready', function(){
 	
 	var subCat = $('subcatTxt');
 	var pub = $('pub');
 	
	
 pub.addEvent('change', function(e) {
	e = new Event(e).stop();
	subCat.empty().addClass('ajax-loading');
	var id =  this.value;
	var url = "/upload/process/ajax_call/"+id;
 
new Ajax(url, {
 method: 'get',
 data:'',
update: subCat,
  evalScripts: true,
  onComplete: function(){ subCat.removeClass('ajax-loading');}
 }).request();

}); 
});