function title_menu_over(id_num){
	var element_name = "title_menu_" + id_num;
	var image_name = "./images/title_menu_0" + id_num + "_over.jpg";
	document.getElementById(element_name).src = image_name;
}

function title_menu_out(id_num){
	var element_name = "title_menu_" + id_num;
	var image_name = "./images/title_menu_0" + id_num + ".jpg";
	document.getElementById(element_name).src = image_name;
}

function title_menu_over_service(id_num){
	var element_name = "title_menu_4_0" + id_num;
	var image_name = "./images/title_menu_04_0" + id_num + "_over.jpg";
	document.getElementById(element_name).src = image_name;
}

function title_menu_out_service(id_num){
	var element_name = "title_menu_4_0" + id_num;
	var image_name = "./images/title_menu_04_0" + id_num + ".jpg";
	document.getElementById(element_name).src = image_name;
}

function title_menu_over_seminar(id_num){
	var element_name = "title_menu_09_0" + id_num;
	var image_name = "./images/title_menu_09_0" + id_num + "_over.jpg";
	document.getElementById(element_name).src = image_name;
}

function title_menu_out_seminar(id_num){
	var element_name = "title_menu_09_0" + id_num;
	var image_name = "./images/title_menu_09_0" + id_num + ".jpg";
	document.getElementById(element_name).src = image_name;
}