function fscRef_tab(number){
					var menulist = new Array();

						menulist[1] = "menu1";

						menulist[2] = "menu2";

						menulist[3] = "menu3";

						menulist[4] = "menu4";

						menulist[5] = "menu5";

						menulist[6] = "menu6";

						menulist[7] = "menu7";

						menulist[8] = "menu8";

					// ブラウザを判断する
					   myOP = (navigator.userAgent.indexOf("Opera",0) != -1)?1:0; //OP
					   myN6 = document.getElementById;  // N6 or IE
					   myIE = document.all;             // IE
					   myN4 = document.layers;          // N4
					for(i=1;i<=11;i++){
						if (myIE){ // IE
							if(i == number){
								document.all[menulist[i]].style.display = "block";
							} else {
								document.all[menulist[i]].style.display = "none";
							}
						} else { // etc
							if(i == number){
								document.getElementById(menulist[i]).style.display = "block";
							} else {
								document.getElementById(menulist[i]).style.display = "none";
							}
						}
					}

					//MM_showHideLayers('menu1','','none');
				}

				function fscRef_tab_onload(){
					// ブラウザを判断する
					myOP = (navigator.userAgent.indexOf("Opera",0) != -1)?1:0; //OP
					myN6 = document.getElementById;  // N6 or IE
					myIE = document.all;             // IE
					myN4 = document.layers;          // N4
					if (myIE){ // IE
						document.all['menu1'].style.display = "block";
					} else { // etc
						document.getElementById('menu1').style.display = "block";
					}
				}

				if (window.addEventListener) { //for W3C DOM
					window.addEventListener("load", fscRef_tab_onload, false);
				} else if (window.attachEvent) { //for IE
					window.attachEvent("onload", fscRef_tab_onload);
				} else  {
					window.onload = fscRef_tab_onload;
				}