function ajaxUpdate(id,docParam,itemParam,onComplete)
{
	new Ajax.Updater(
		id,
		docParam + '&ajax=' + id,
		{
			onLoading:function(request)
			{
				Element.show('indicator_' + id);
			},
			onComplete:function(request)
			{
				Element.hide('indicator_' + id);
				
				if(onComplete != '')
				{
					eval(onComplete);
				}
			}, 
			parameters: itemParam, 
			evalScripts:true, 
			asynchronous:true
		}
	);
}