var plugin;

function checkPlugin(flashVer) {
var vFlg=false;

if (navigator.appVersion.indexOf("Mac") > -1) {
	if (navigator.appName.charAt(0)=="M" && navigator.appVersion.charAt(22) >= 5){
		vFlg=true;
	} else if (navigator.appName.charAt(0)=="N" && navigator.appVersion.charAt(0) >= 5){
		vFlg=true;
	}
}

plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]) ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
if (plugin) {
	plugin = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1)) >= flashVer;
} else if (navigator.userAgent && navigator.userAgent.indexOf("MSIE")>=0 && (navigator.userAgent.indexOf("Win") != -1)) {
	document.write('<SCR' + 'IPT language=VBScript\> \n');
	document.write('on error resume next \n');
	document.write('plugin = ( IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.'+flashVer+'")))\n');
	document.write('</SCR' + 'IPT\> \n');
}

if (navigator.appVersion.indexOf("Mac") > -1 && navigator.userAgent.indexOf("Mac OS X") < 0) {
	if (plugin && vFlg) {
		wPlugin = true;
	} else {
		wPlugin = false;
	}
} else {
	if (plugin) { 
		wPlugin = true;
	} else { 
		wPlugin = false;
	}
}
return wPlugin;
}