/*ブラウザ判別*/
function getOSName(){
	osname=navigator.platform.toUpperCase();
	if(osname.indexOf("WIN")>=0) return("win");
	if(osname.indexOf("MAC")>=0) return("mac");
	return 0;
}
function getBroName(){
	brname=navigator.appName.toUpperCase();
	if(brname.indexOf("MICROSOFT")>=0) return("ie");
	if(brname.indexOf("NETSCAPE")>=0) return("nn");
	return 0;
}
function getBroVer(){
	browser = getBroName();
	if(browser == "ie"){
		verStart = navigator.userAgent.indexOf("MSIE ",0) + 5;
		verEnd = navigator.userAgent.indexOf(";",verStart);
		version = eval(navigator.userAgent.substring(verStart,verEnd));
		return(version);
	}
	else if(browser == "nn"){
		start = navigator.appVersion.indexOf(" ",0);
		version = eval(navigator.appVersion.substring(0,start));
		if (version >= 5) version++;
		return(version);
	}
	else return 0;
}
function scCssLink(){
	osname = getOSName();
	broname = getBroName();
	version = parseInt(getBroVer());
	if(osname=="win"||osname=="mac"){
		if(broname=="ie"||broname=="nn"){
			if(version==4){
				filename=osname+broname+version;
				return(filename);
			}
			else if(version>=5){
				filename=osname+broname;
				return(filename);
			}
		}
	}
	return 0;
}

/*上部ナビゲーション画像先読み*/
function preLoadImgNavi(){
	num = 10;
	navipreimg = new Array();
	for(i=0; i<num; i++){
		navipreimg[i] = new Image();
	}
	navipreimg[0].src = "/menu/company_over.gif";
	navipreimg[1].src = "/menu/copyright_over.gif";
	navipreimg[2].src = "/menu/entry_over.gif";
	navipreimg[3].src = "/menu/home_over.gif";
	navipreimg[4].src = "/menu/sitemap_over.gif";
	navipreimg[5].src = "/menu/sportsinfo_over.gif";
	navipreimg[6].src = "/menu/sportstop_over.gif";
	navipreimg[7].src = "/menu/toiawase_over.gif";
	navipreimg[8].src = "/menu/about_over.gif";
	navipreimg[9].src = "/menu/advertisement_over.gif";
}

/*画像先読み（ファイル指定）*/
function preLoadImg(){
	num = preLoadImg.arguments.length;
	preimg = new Array();
	for(i=0; i<num; i++){
	preimg[i] = new Image();
	preimg[i].src = preLoadImg.arguments[i];
	}
}

/*スワップイメージ*/
function overImg(iName,str){
	document.images[iName].src = str;
}

/*ウィンドウオープン*/
function opWin(theURL) {
	var app = navigator.appName.charAt(0);
	var ver = navigator.appVersion.charAt(0);
  //N=Netscape , M=Mozira(IE)
  if ( (app == "N" && ver < 3) || (app == "M" && ver < 4) ) {
    return true;
  } else {
    window.open(theURL,"flashanime","toolbar=no,location=no,directories=no,status=,scrollbars=yes,resizable=yes,width=450,height=450");
    return false;
  }
}
function opWinSelect(sFileName, sWinName, sWinWidth, sWinHeight){
	sOption='width=' + sWinWidth + ',height=' + sWinHeight + 'status=yes, resizable=yes';
	window.open(sFileName, sWinName, sOption);
	return false;
}


//  サイドメニュー折り畳み  //
function showMoreMenu(varA1, varB1){
  varHIDE = ('varMH_' + (varA1));
  varSHOW = ('varMS_' + (varA1));
  varBODY = ('varB_' + (varA1));
  if( document.getElementById ) {
    oElemHide = document.getElementById(varHIDE);
    oElemShow = document.getElementById(varSHOW);
    oElemBody = document.getElementById(varBODY);
    if( varB1 == 1 ) {
      oElemShow.style.display = "none";
      oElemHide.style.display = "block";
      oElemBody.style.display = "none";
    } else {
      oElemShow.style.display = "block";
      oElemHide.style.display = "none";
      oElemBody.style.display = "block";
    }
  } else {
    return false;
  }
}