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>";
				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=cprx80\" class=\"sub-menu-link\">CP-RX80</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=cpx417\" class=\"sub-menu-link\">CP-X417</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=cpx2510\" class=\"sub-menu-link\">CP-X2510</a></td>";
				submenu_content += "</tr>";				
				submenu_content += submenu_repeat;
				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx3010\" class=\"sub-menu-link\">CP-X3010</a></td>";
				submenu_content += "</tr>";
				submenu_content += submenu_repeat;
				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx450\" class=\"sub-menu-link\">CP-X450</a></td>";
				submenu_content += "</tr>";
				submenu_content += submenu_repeat;
				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx4020\" class=\"sub-menu-link\">CP-X4020</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=cprx70\" class=\"sub-menu-link\">CP-RX70</a></td>";
				submenu_content += "</tr>";
				submenu_content += submenu_repeat;
				submenu_content += "<td width=\"110\" class=\"sub-menu\"><a href=\"hitachi_inside.php?modul=cpx264\" class=\"sub-menu-link\">CP-X264</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 = "";
	}
}