function checkFlash(){
    var flash = false;
    var flashVer=0, flash_res, flash_error;

    var version = navigator.appVersion.substring(0,1);
    var browser = navigator.appName;
    if (browser =="Netscape" && version >= "3"){ 
        for(i = 0; i < navigator.mimeTypes.length; i++) { 
            if(navigator.mimeTypes[i].type == "application/x-shockwave-flash"){ 
                flash = true;
            }
        }
    }
    if (browser =="Microsoft Internet Explorer" ){ 
        for (var i = 10; i>2; i--) {
            eval("try {flash_res = new ActiveXObject('ShockwaveFlash.ShockwaveFlash."+i+"')} catch(e) {flash_error = e};");
            if (flash_res) {
                flashVer = i;
                break;
            }
        }
    }
	if(browser == "Opera"){
        flash = true;
    }
    if(flash || flashVer>0){
        return true;
    }
    return false;
}
// Flashバージョンチェック
var flashActive = checkFlash();
jQuery(document).ready(function(){
    // Flash対応（トップ）
    if(flashActive){
        document.getElementById('main_flash').style.display = 'block';
        document.getElementById('main_flash_html').style.display = 'none';
    }else{
        document.getElementById('main_flash').style.display = 'none';
        document.getElementById('main_flash_html').style.display = 'block';
    }
	
	
});