text: var btn_textt='';
  function start_loading_btn(btnid){
  	btn_textt=$('#'+btnid).text();
  	$('#'+btnid).text('Loading...');
  	$('#'+btnid).attr('disabled','');
  }
  function end_loading_btn(btnid){
  	$('#'+btnid).removeAttr('disabled');
  	$('#'+btnid).text(btn_textt);
  }
  function action_post(postdata, posturl,ctype){
  	$.ajax({
  		type: ctype,
  		dataType: 'JSON',
  		data: postdata,
  		url: posturl,
  		success: function(data){
  			handle_callback(data)
  		},
  		error: function(){
  			return '';
  		}
  	});
  }
  