function displaySubMenu(idx) {

	var divContainer = document.getElementById("SubMenu_" + idx);

	if (divContainer.innerHTML == "") {

		var submenu_content = "<table width=\"140\" border=\"0\" cellpadding=\"2\" cellspacing=\"0\">";

		var submenu_repeat = "<tr valign=\"top\">";

		//var submenu_repeat = "<tr valign=\"top\"><td width=\"6\" class=\"sub-menu\"><span class=\"sub-menu-text\">>> </span></td>";

		var submenu_repeat_nosymbol = "<tr valign=\"top\"><td width=\"6\" class=\"sub-menu\"><img src=\"../../images/spacer.gif\" width=\"6\" height=\"5\" border=\"0\"></td>";

		

		switch (idx) {

			case 1:

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx10000\" class=\"sub-menu-link\">CP-X10000</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpwux645n\" class=\"sub-menu-link\">CP-WUX645N</a></td>";

				submenu_content += "</tr>";
				

				break;

			case 2:

			// submenu_content += submenu_repeat;

			// submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cprx78&pg=1\" class=\"sub-menu-link\">CP-RX78</a></td>"; 

			// submenu_content += "</tr>"; 
				
				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cprx79&pg=1\" class=\"sub-menu-link\">CP-RX93</a></td>"; 

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cprx82\" class=\"sub-menu-link\">CP-RX94</a></td>";

				submenu_content += "</tr>"; 

			//	submenu_content += submenu_repeat;

			//	submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx201\" class=\"sub-menu-link\">CP-X201</a></td>";

			//	submenu_content += "</tr>";

				break;

			case 3:

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx809\" class=\"sub-menu-link\">CP-X809</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx467\" class=\"sub-menu-link\">CP-X467</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx2521wn\" class=\"sub-menu-link\">CP-X2521WN</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx3021wn\" class=\"sub-menu-link\">CP-X3021WN</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx3014wn\" class=\"sub-menu-link\">CP-X3014WN</a></td>";

				submenu_content += "</tr>";

				break;

			case 4:

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx2520\" class=\"sub-menu-link\">CP-X2520</a></td>";

				submenu_content += "</tr>";				

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx3020\" class=\"sub-menu-link\">CP-X3020</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx4021N\" class=\"sub-menu-link\">CP-X4021N</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx5021N\" class=\"sub-menu-link\">CP-X5021N</a></td>";

				submenu_content += "</tr>";

				break;

			case 5:

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpa220nm\" class=\"sub-menu-link\">CP-A220NM</a></td>";

				submenu_content += "</tr>";

				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpa300nm\" class=\"sub-menu-link\">CP-A300NM</a></td>";

				submenu_content += "</tr>";
				
				submenu_content += submenu_repeat;

				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=iPJ-AW250NM\" class=\"sub-menu-link\">IPJ-AW250NM</a></td>";

				submenu_content += "</tr>";

				break;

				

		}

		

		submenu_content += "</tr></table>";

		divContainer.innerHTML = submenu_content;

		for (var i = 1; i < 6; i++) {

			if( i != idx) {

				var divContainer = document.getElementById("SubMenu_" + i);

				divContainer.innerHTML = "";

			}

		}

	} else {

		divContainer.innerHTML = "";

	}

}