function change_submenu(div, id) {
	block = $("."+div);
	for (i=0;i<block.length;i++) {
		$(block[i]).attr("class", div);
		$("#div_"+$(block[i]).attr("id")).css("display", "none");
	}
	$("#"+id).attr("class", div+" vkl_activ");
	$("#div_"+id).css("display", "block");
}

function th_grey(id) {
	$("#"+id).css("background", "#f1f1f1");
}

function th_no_grey(id) {
	$("#"+id).css("background", "#fff");
}

function display_dop_search() {
	if ($("#tbl_dop_search").css("display") == 'none') {
		$("#tbl_dop_search").css("display", "block");
		$("#dop_search").attr("class", "title_dop_search");
		$("#str_dop_search").attr("src", "./images/str_down.gif");
	} else {
		$("#tbl_dop_search").css("display", "none");
		$("#dop_search").attr("class", "");
		$("#str_dop_search").attr("src", "./images/str_right.gif");
	}
}