function get_podrazdels (el,ch) {
	razdel = el.options[el.selectedIndex].value;
	if (razdel!=0) {
		$('#loading').css("display","inline");
		$.post(
		'ajax/get_podrazdels.php',
		{
			code: razdel,
			select: ch, 	
			action: 'action'
		},
		onAjaxSuccess
		);
	} else {
	    $("#podrazdel").attr("disabled","disabled");  
		$('#podrazdel').html("<option value='0'>Выберите раздел</option>");
	}	
}	
function onAjaxSuccess(data)
{
	$("#podrazdel").removeAttr("disabled"); 
	$('#loading').css("display","none");
	$('#podrazdel').html(data);
}