function check_menu(mod,ids,this_id){
	if(mod=='treatment'){//prod
		//make css on hover button
		$('.products').css("background-position",'top');
		var id_prod="#prod"+this_id;
		$(id_prod).css('background-position','center');
		//---

		var nr_categs=ids.search(',');
		if(nr_categs<0){
			var id_treatment='#treatment'+ids;
			$(id_treatment).css("background-position",'bottom');
		}
		else{
			var arr_ids=ids.split(',');
			for(i=0;i<=arr_ids.length-1;i++){
				var id_treatment='#treatment'+arr_ids[i];
				$(id_treatment).css("background-position",'bottom');
			}
		}
	}
	else{
		//make css on hover button
		$('.treatments').css("background-position",'top');
		var id_prod="#treatment"+this_id;
		$(id_prod).css('background-position','bottom');
		//---

		var nr_prods=ids.search(',');
		if(nr_prods<0){
			var id_prod='#prod'+ids;
			$(id_prod).css("background-position",'center');
		}
		else{
			var arr_ids=ids.split(',');
			for(i=0;i<=arr_ids.length-1;i++){
				var id_prod='#prod'+arr_ids[i];
				$(id_prod).css("background-position",'center');
			}
		}
	}
}
function uncheck_all(fields){
	var fields='.'+fields;
	$(fields).css("background-position",'top');
}